- Suggesting Additions/Corrections etc.
- Network Monitoring Platforms
- Monitoring Tools Integrated with NMP
- Commercial Monitoring Tools, not Integrated with an NMP
(Hosted/managed monitoring services),
IP Address/Asset Management,
- Public Domain Network Monitoring Tools
- Wireless specific tools
- Web Tools
- Auxiliary Tools to Enable Monitoring,
Analysis, Report Creation or Simulation
- Further Information
Swiss Army Knife Internet Tool from RobTex
Free tools for network Traffic Monitoring and IPFIX/Netflow
What is my IP address/traceroute?
What is my IP address, OS, browser?
VisualWare (database based)
- An API that returns geolocation details like lat/long, currency, language, time zone etc. for an IP address,
- Discover who is hosting any website,
- Find Lat/Long of a site,
- Given a lat/long find it on a map,
- IP geolocation such as country, state, city, plus ISP, net speed, domain, usage type etc.
- Locate and identify website visitors by IP address,
- Where is another host?
DNS Lookup, |
Autonomous System (AS) Information:
Maps of the Internet:
PingER Internet Performance
Test my network configuration
Network Diagnostic Tool
Network Path & Application Daemon
Speed test for both download and upload speeds
Bandwidth from various international sites,
from Absolute Futurity,
Speed Test from GetVoIP,
Consumer Guidew to Internet Speed,
Calculate web browser uptime.
VoIP Speed Test,
VoIP Speed, Bandwidth, and Jitter Test,
Ping from multiple sites to a target,
Ping from multiple sites to a target plus show traceroutes,
Ping from/to matrix of sites,
Check my Round Trip Times,
World's connection speeds from:
MLab Internet measurement tools
WAN throughput calculator,
RTT & bandwidth test from OOkla,
Estimate Internet speed needs based on devices in household
26 Best Network Monitoring Tools and Software,
9 Best VPN Services to Consider,
Beginner-oriented Guide to making one's first web site,
Best Anti-Virus Software,
Best Cisco Network Monitoring Tools,
Best Cloud Hosting,
Best Domain Hosting Canada,
Best Intrusion Prevention Systems,
Best Site Performance & Monitoring Tools,
Best VPN service,
Best Web and Cloud Hosting Services,
Best Web Hosting in India,
Best Web Hosting Services,
Best Website Monitoring Services,
Consumer Guide to Internet Speed,
Discover who is hosting any website,
Enterprise WordPress Hosting,
Network Diagram and Mapping Topology,
Locate and identify website visitors by IP address,
MIMIC SNMP Simulator,
Monitor your VoIP and RTC traffic Reatime,
Network Mon ACL Analyzer,
Network Mom Availability,
Ping from multiple sites to a target,
That One Privacy Site: VPN Section,
Tips for China,
Top 10 Intrusion Detection Tools,
Top 15 Network Monitoring Tools Reviewed,
Top VPN UK,
Top Web Hosts UK,
UK Web Hosting Review,
VPN Beginners Guide,
What is a VPN and how does it work,
Best commercial ip geolocation APIs,
Best Network Monitoring Software,
Best VPN Services,
Best VPN Services for Wordpress Users,
Best VPN Solutions,
Best VPN Web,
Best VPN for China,
Best VPN Services in the Industry,
Best VoIP providers,
Best Web Hosting site Canada.
Calculate Web browser uptime,
Find your Ideal VPN,
Internet Speed Guide,
IP Geolocation with Threat Intelligence,
List of 25 best network monitoring tools,
Most Secure VPN,
Online Privacy Tips,
Ranking Web Hosting,
SpeedTest from GetVoIP,
Top hosting from HRANK,
Top VPN Service,
All-in-one netflow analyzer,
Best VPNs for Canada,
Free PC Audit,
Garland Network Taps,
Trisul Network Analytics,
WebSite up or down,
Best website monitoring services,
Best website monitoring services for Wordpress users,
How to monitor your website's uptime,
HPE Network Node Manager,
IPv6 and more,
PC and Network downloads,
WHSR Host Uptime Monitor,
Colasoft Ping Tool,
AKiPS Network Monitor,
Graphical Network Monitor
NetVizura DNS Checker,
NetVizura NetFlow Analyzer,
InfoVista Network Performance Management,
IP - MAC scanner,
NetFort SPAN Port Configurator,
Trogon MAC scanner,
Uptrends web perfomance monitoring,
Ethernet Packet Bombadier,
Network Sate Notifier,
GMS Live Expert,
iGLASS Network Monitoring Services,
Kaseya Network Monitor,
Microsoft Network Monitor,
AccelOps now FortiSIEM,
Cascade Pilot Personal Edition,
IP Traffic Monitor,
SevOne Netflow tool,
SevOne VoIP monitoring,
Aggregate Network Manager,
Netquest OptiCop Converger,
SolarWinds Network Performance Monitor (NPM),
SolarWinds Netflow Analyzer,
Serio IT Service View,
SolarWinds Free network tools,
IPHost Network Monitor,
MTD Network Monitring Software,
PC Inventory Advisor,
Remote Asset Tracker,
Total network monitor,
Anue acquired by Ixia 2012,
NetQoS Performance Center,
NetQos VoIP Monitor,
Network Management Tutorial,
Scrutinizer NetFlow, sFlow & IPFIX Analyzer,
Total Network Inventory,
Cymphonix Network Composer,
Web Server Stress Tool,
Caligare Flow Inspector,
Distinct Network Monitor,
Host Grapher II,
Javvin Packet Analyzer,
Simple Infrastructure Capacity Monitor,
GFI Network Services Monitor,
IPCheck Server Monitor,
Malware and Phishing Check,
Overseer Network Monitor,
PRTG Traffic Grapher,
SolarWinds Network Performance Monitor (NPM),
JFF Network Management System,
Network Diagnostic Tool,
Ultra Network Sniffer1,
Zoho Corp ManageEngine OpManager,
ANL Web100 Network Configuration Tester,
Alchemy Network Monitor,
GeoBoy, Packetboy etc,
Ethereal (now renamed Wireshark),
Pipechar (part of NCS),
WWW performance monitoring,
Qcheck (now Ixia),
CAIDA Measurement Tool Taxonomy,
bprobe & cprobe
The following Network Monitoring Tools grew out of a list that were reported to be in
use at 11 ESnet sites in a
made by the ESnet Network Monitoring
Task Force (NMTF) and completed in October 1995.
For some snapshots of earlier web pages see the
Where possible I have provided
hypertext links to further sources of information on the tool.
These links vary in quality
ranging from a pointer to the vendors home page, to the man pages entry, and to how to
download the code.
We welcome corrections such as identifying broken links
(especially if you can provide an alternate/update),
since over the years companies are absorbed by others, disappear, split up,
change their web site etc.
To find broken links, we use
CheckLink suggested by
Brad Canham, and even better the
Chrome browser extension for checking links,
suggested by Brian Albert Jensen.
Another valuable tool for checking links is
Link Quality at a Glance1
from Hans van der Graaf.
Some links such as BasicState and Lemon
give a 404 error code or a 405 code
in the case of MLab but appear
to be accessible and so currently are left in.
Others such as MindArray and NetLogger sometimes timeout, but usually work.
This is a volunteer, unfunded effort. This helps assure
Increasingly new additions are from reader suggestions/recommendations.
If you have a suggestion for adding something:
please send an email to Cottrell at slac.stanford.edu
making sure that you
indicate where the tool fits in the hierarchy, provide a URL to get
more information on the tool,
and provide a short
one sentence description of the tool's purpose with no
marketing hyperbole. Also if you notice out of date or incorrect links
(e.g. links that go to sites that are not relevant to the link)
please report. Thanks.
LiveAction is a platform that combines detailed network topology, device,
and flow visualizations with direct interactive monitoring and configuration
of QoS, NetFlow, LAN, Routing, IP SLA, Medianet, and AVC features embedded inside Cisco devices.
- Aggregate Network Manager
is an enterprise-grade network/application/performance monitoring platform.
It tightly integrates with other smart building management systems, such as
physical access control, HVAC, lighting, and time/attendance control.
Management PlatformT (AMP) wireless network management software
provides centralized control for Wi-Fi networks. Features include:
access point configuration management, reporting, user tracking,
help desk views, and rogue AP discovery.
- AKiPS Network Monitor
software provides SNMP monitoring from a single VM
at 1 minute resolution on networks ranging in size up to 1 million
Platform provides solutions for WAN links monitoring, DDoS detection and mitigation,
traffic accounting and graphing.
- Axence nVision
monitors network infrastructure: Windows, TCP/IP services, web and mail servers, URLs, applications
(MS Exchange, SQL etc.). It also monitors routers and switches: network traffic, interface status,
connected computers. nVision collects network inventory and audit license usage - it can alert
in case of a program installation or any configuration change on a remote node.
With the agent you can monitor user activity and access computers remotely.
A SaaS monitoring and visualization service that provides insight into: real time
(per second resolution) and historical end-to-end performance, traffic and flow
analysis, and device performance. It is free for the first 2GB of data (approx. 15 servers)
Network monitoring tool that takes away the hassle of maintaining a
Nagios installation. CapMon uses RRD wrapped in Flash to display
statistics, includes syslog, dashboard and SLA modules
- Castle Rock
- CloudView NMS
A Universal network Monitoring System based on multiple standards.
Cruz from Dorado Software is a Single Console for Datacenter and Network
Operations of Today's Converging Infrastructures. Cruz gives administrators
and operators critical resource control resulting in improved network and
service quality, accelerated network and service deployments, and lower
operating costs. The flexible and scalable tool consists of integrated
infrastructure management for multi-vendor and multi-technology (servers,
network devices, storage) environments. Cruz manages the diverse set of both
physical and virtual interdependent resources that deliver today's cloud
and next generation services. The result is comprehensive and automated problem
resolution from a single pane-of-glass. Some key features of the solution
include resource management, performance monitoring, topology, configuration
management, change management, auditing, firmware/OS deployment,
one-to-many device operations, and reporting.
- Cymphonix Network Composer
monitors Internet traffic by user, application, and threat. Includes controls
to shape access to Internet resources by user, group, and/or time of day.
Also featuring anonymous proxy blocking, policy management, and real time
- David system
allows you to manage your resources and services through both Intranet and Internet.
provide auto-discovering and network topology building features to help keep an
intuitive view of your IT infrastructure. Resources, real-time monitoring and
accessibility of historical data enable reaction to failures.
Configured interfaces for monitored devices allow you to focus on the most
important aspects of their work.
- Domotz Pro
is a SaaS platform for remote monitoring and management.
It includes advanced network discovery, tcp and snmp monitoring,
network speed tests, as well as remote management features such
as remote connectivity to all devices in the network and
remote power management.
provides network discovery, mapping and rules system enables monitoring of
Ping, SNMP, syslog, and WMI performance metrics. Can be used to monitor
IPv6 devices. Monitors services such as DNS, http and email.
from Sciencelogic is an NMS integrated with trouble-ticketing,
event management, reporting, IP management, DNS and monitoring.
NMS enterprise grade network
management and monitoring solution is a suite of functions integrated
into single product. It has been installed in many Queensland Government
departments, where it manages and monitors many thousand network devices,
servers and apps.
provides an all-in-one network management solution for heterogeneous
environments and includes integrations with BMC, Oracle EM, HP, IBM and
others. Functionality includes discovery/inventory/topology, advanced
event management, port/device and flow-based performance, configuration
monitoring and extensive reporting.
a Network Management System that enables discovery, mapping and
monitoring of network components worldwide.
is free server monitoring software that includes system health monitoring,
web site monitoring, SNMP monitoring, reporting, alerts by e-mail and
is an open-source network monitoring, alerting and reporting system
available as PHP source and as a virtual appliance.
HPE Network Node Manager
a unified fault, availability, and network performance monitoring of physical and virtual
devices for enterprise-scale networks.
Uptime Infrastructure Monitor offers users a comprehensive dashboard
that watches the performance and availability of all routers, switches,
servers, and other SNMP-enabled devices. Users can also quickly identify
bandwidth hogs with their Netflow monitoring features for an in-depth
network analysis and deep profiling of information on your network.
- InfoVista Network Performance Management
provides service level reporting and analysis tools for network and
application performance management.
Networking monitoring and alerting software for Mac, Windows, Linux, and Solaris.
- IP Host Network Monitor
is a network and server monitoring tool that lets you monitor availability and
performance of mail servers, internet hosts, database servers, and other network
resources. Performance counters on Windows computers can be monitored using WMI.
Other supported protocols are HTTP, HTTPS, FTP, SMTP, POP3, IMAP, ODBC, PING...
- Just For Fun Network Monitoring
System (JFFNMS) is FREE and designed to maintain a IP SNMP / Syslog / Tacacs+ Network.
It can be used to monitor any standards compilant SNMP device, Server,
TCP port or Custom Poller, also it has some Cisco oriented features.
from Quest, Management Appliance delivers a fully integrated systems
is a solution for monitoring, notification, and reporting. It includes
agentless monitoring of Windows,
Unix, Linux, and BSD operating system. It also includes distributed testing, a unique feature
that makes it possible to monitor servers, routers and other network connected
equipment that are behind a firewall or only accessible through a VPN.
(Used to be called Intellipool).
is an extensible big data SaaS platform for network monitoring
that encompasses flow traffic, BGP, network performance, geolocation
and other data types. It provides ad-hoc analysis, anomaly detection,
DDoS detection and automated mitigation triggering, and peering analytics.
commercial remote network monitoring system that designed for ease of use.
network and desktop management software providing automatic network maps,
asset management reports, network monitor and remote administration and
is a server/client based monitoring system. On every monitored node, a monitoring agent
launches and communicates using a push/pull protocol with sensors which are responsible
for retrieving monitoring information. The extracted samples are stored on a local cache
and forwarded to a central Measurement Repository using UDP or TCP transport protocol
with or without authentication/encryption of data samples. Sensors can collect information
on behalf of remote entities like switches or power supplies. The Measurement Repository
can interface to a relational database or a flat-file backend for storing the received
samples. Web based interface is provided for visualizing the data.
- LogisoftAR provides
is an NMP running under Windows providing
device discovery, mapping, fault (using SNMP traps and syslog) and
Reporting is provided in HTML pages.
Network Administration Visualized is a software suite to
monitor large computer networks. It automatically discovers network
topology, monitors network load and outages, and can send alerts on
network events by e-mail and SMS, allowing for flexible configuration
of alert profiles.
offers unified network performance monitoring tool that provides insights into
critical business service with real-time analytics, root-cause analysis and event management from any source
- Monitoring Genie
is a large scale data collection and monitoring platform built for telcos and
large service providedrs, able to monitor multiple parameters in 100Ks of nodes
in very shory cycles of about a minute using multiple protocols
(icmp,snmp,sql,http,telnet,ssh,wmi,registry,open ports...). It can
perform actions based on monitoring status changes using conditions and correlation rules.
The platform comes with a builtin reporting system and pre made reports,
and can extended to monitor any parameter in the supported protocols.
The platform can work as a stand alone product or connect to existing management
platforms (hpov, tivoli and micromuse, unictenter, etc).
- MotaData is a unified analytics
platform for complete IT Monitoring and Log Management that derives
business insights by real-time processing, correlation and
visualization of IT network and security information data.
- MTD Netwiork Monioring Software
brings information from SNMP and non-SNMP devices alike together into an
enterprise monitoring system with extensions for video based devices.
is a Perl SNMP based true correlation application using finite state
technology to walk through network events looking for a cause and
effect relationships. Most people use it for SNMP Polling and
trapping, but it's possible to use other protocols like SOAP and WMI
as the information interface. Since its Perl it does if/elsif and then logic.
suite offers five product families that support domain-specific
IT management, end-to-end consolidated operations and business
is An all-in-one and agentless network monitoring and management system,
capable of monitoring every device in your network. Monitor bandwidth,
availability, performance and NetFlow. Automatic views and maps.
All leading operating systems supported.
is a network monitoring solution allowing network administrators, webmasters, and
Internet service providers to monitor any networked device on the Internet,
corporate intranet, or TCP/IP LAN and receive alerts via audible alarm, message,
e-mail, or third-party software when a connection fails.
is a collection of 15 network tools on a single,
interface. NetInfo allows businesses to combat network downtime by allowing
network administrators, webmasters, and Internet service providers to
isolate faults, process diagnostic data and increase internal network security.
automates much of Network Change and Configuration Management (NCCM)by collecting
and analyzing network configuration, snmp, and syslong/event data, and providing
daily actionable issues.
is an enterprise class management and monitoring solution designed primarily for
managed service providers that uses a variety of mechanisms to communicate with
managed entities including but not limited to snmp, wmi, rs232 and icmp in order
to collect statistical and state information (e.g. cpu usage, device/service
availability etc) as well as executing management functions on the device.
- NetQoS Performance Center
Monitors and provides insight into: end-to-end performance, traffic analysis,
VoIP quality, and device performance.
is an open-source feature-rich network monitoring system that
runs natively on Windows and various Unix flavours. It can be used for
monitoring entire IT infrastructures, starting with SNMP-capable
hardware and ending with applications on servers.
provides availability, performance, security and service management to
multiple customers from one central Web console.
from AdRem, provides visualization of physical network topology;
flexible performance monitoring, trending and reporting; event
filtering and escalation; SNMP management; web access.
provides low-cost network masnagement services.
- Network Mom Availability
A Macintosh tool for monitoring, alerting, and reporting on availability
Monitoring Solutions (NMS) for Network Monitoring solution verifies
network connectivity to
devices (routers, switches, servers, etc.) and application services
(FTP, SMTP, HTTP, etc.) revealing accessibility and network latency.
The solution auto-discovers network interfaces, monitors interface
traffic and calculates bandwidth utilization.
Uses SNMP and if not available then syslog can be used.
provides enterprise-class capabilities including NOC level visibility,
management of multiple and geographically distributed networks and automatic
failover and redundancy for continuous operations.
Observium is an autodiscovering network monitoring platform supporting
hardware platforms and operating systems including Cisco, Windows,
Linux, HP, Juniper, Dell, FreeBSD, Brocade, Netscaler, NetApp and
many more. Observium seeks to provide a powerful yet simple and
intuitive interface to the health and status of your network.
- op5 Monitor
provides active monitoring of the IT infrastructure -
hardware, traffic & services. This includes connected components
from servers, routers and printers services such as mail services,
web servers and virus programmes. It is based on Nagios.
is an enterprise-grade network management platform developed under the open source model.
It is designed to scale to tens or hundreds of thousands of managed nodes from a single
instance. OpenNMS is an integrated platform providing service availability management,
performance data collection (via SNMP, JMX, HTTP, WMI, XMP, and other protocols),
event management (internal events, custom events via an XML/TCP interface,
and external events via SNMP traps and TL1), event de-duplication, and flexible
notifications (via SMTP, XMPP, and many other protocols). The software is free under
the GPLv2 license, and commercial support, training, and consulting are available.
is enterprise network and application monitoring software designed for
scalability, flexibility and ease of use. Opsview has been in development
since 2003 (originally based on Nagios) and is released under the GNU GPL
is enterprise network and application monitoring software designed for
scalability, flexibility and ease of use. Opsview has been in development
since 2003 (originally based on Nagios) and is released under the GNU GPL
- SolarWinds Network Performance Monitor (NPM)
SolarWinds Network Performance Monitor enables you to detect,
diagnose, and resolve network outages and performance issues. It offers
network-centric views that are designed to deliver the critical
information you need.
- Pandora the Free Monitoring System
is a Free Software set of programs, set under the GPL license, that
monitors and detects network systems using remote tests (ICMP, TCP Sweep, Network scan,
SNMP monitoring...), or using local agents to grab application/system datga (has agents
for Linux, AIX, HP-UX, Solaris and Windows XP,2000/2003). Pandora FMS is able to fire
alarms, draw graphs and keep event history for each element using a SQL backend
- PathSolutions TotalView
Root-cause troubleshooting for voice, video, and data networks.
is a monitoring and trend analysis system designed to cope with large architectures
(thousands of machines and hundreds of thousands of metrics).
provides networks, applications, systems, environment and security monitoring.
is a web based monitoring tool for monitoring networks and servers (e.g. temperatures etc.)
provides a distributed network performance management platform that
delivers a scalable and comprehensive real-time monitoring,
troubleshooting and reporting solution that supports over 15
collection methodologies such as SNMP, NetFlow, ICMP, IP SLA, WMI,
vCenter API, XML, and JMX.
Spectrum1 (ex Cabletron, then Aprisma then Concord Communications
then CA). Network Tool specialized in Fault Management and Root Cause Analysis
engine. Helps optimize MTTR and MTBF.The tool is modular in that it can also
monitor/manage QOS,MPLS/VPN,Multicast Network, Device Configurations.
Carrier-Grade performance management tool, built upon open standards.
Supports active (Ping, SAA) and passive (SNMP, RMON, NetFlow, SFlow)
measurements. Integrated topology/inventory, SLA/SLM, reporting.
- Switch Center
Network management and monitoring software using SNMP (v1-3) network devices from
any vendor including network discovery, logical and physical (Layer 2/3) network
topology mapping, performance monitoring, real-time reports and pro-active alerts.
monitors both network equipment and servers/applications and is accessed via a web
interface. Monitoring is done with Agents and IP and SNMP polling. SysOrb comes
with an embedded database for stats, alert notification module, report
is a free distributed network/systems management product. It provides
users out-of-box capabilities to efficiently and proactively manage
networks of any size.
Tembria Server Monitor is an affordable server monitoring platform with
deep support for Windows server monitoring plus support for Linux and
SNMP devices too.
- The Dude is a free
network monitor will automatically scan all devices within specified
subnets, draw and layout a map of your networks, monitor services of
your devices and alert you in case some service has problems.
- TruePath Technologies
LMS is a web based monitoring and reporting tool that focuses on carrier,
Metro (MEF), OAM and 1731 type monitoring. It has a built-in end-user
portal and multi-threaded polling engine for fast, reliable monitoring.
- Uptrends Infra
is a network monitoring solution/platform. With Uptrends Infra you can monitor
network protocols and network devices.
- Vallum Halo
Manager is a web-based network monitor tool, based on GMI agent technology, suitable
for small networks or distributed management of many subnets, featuring continuous
polling of ping and GMI devices, auto-discovery, alerting, and performance metrics.
- Verax NMS
is a service availability and performance monitoring system supporting
a range of network elements (e.g. Windows and Linux hosts, ATM switches,
Brocade and Juniper routers, ADVA Optical Networking FSP), applications
(e.g. Apache Tomcat and WebSphere servers, Oracle and Microsoft SQL Server
databases), virtualisation (e.g. VMware vSphere) and data center devices
(incl. power supplies, air conditioning, sensors and detectors).
- WhatsUp Gold
discovers and maps your network, uses SNMP v1-3, WMI and custom scripts
to monitor resources and applications on your devices, notifies you via
email, SMS, pager, etc., when problems occur, and provides historical and
real-time reporting through a Windows console interface, full Web
interface, and mobile interface. WhatsUp Gold is available for single
networks and as a distributed solution for managing large, geographically
- Zoho Corp ManageEngine OpManager
network management software.
- Zyrion Traverse
a network, application & server monitoring platform with open API,
correlated views of IT "services" and integration with flow analysis tools.
Commercial Monitoring Tools, not integrated with an NMP [Contents]
(Hosted/managed monitoring services) |
Flow Monitoring |
IP Address/Asset Management |
IT Search |
Network Security tools |
SNMP Tools |
provides monitoring, alerting and corrective action automation scheduling.
It is part of the
measures, diagnoses, notifies and reports on the availability and
performance of servers, URLs, web applications and virtually any
Internet connected device or application.
- Analyzer/Sniffers, see also public domain capture tools.
- All-in-one Netwflow Anslyzer PRTG
monitors your bandwidth and traffic, supports all different NetFlow versions, monitors all important flow protocols.
provide the MD1230 portable network and IP network performance monitor.
- Anue Systems acquired by Ixia 2012,
makes a Net Tool Optimizer that is used to connect multiple monitoring tools to
a network link, or one tool to multiple links. This is a hardware device.
It is similar to Gigamon.
manufactures a physical layer matrix switch to remotely move and share
network monitoring tools using a software interface or scripting.
- AthTek NetWalk Enterprise Edition
is a comprehensive network monitoring tool which is expert in packet sniffing and analyzing.
performs real-time packet capturing, 24/7 network monitoring,
in-depth packet decoding, and automatic expert diagnosis.
is a program for monitoring Internet and Local Area Network (LAN) activity
capable of capturing and analyzing network packets. It gathers information
about data passing through your dial-up connection or Ethernet card and
decodes the analyzed data.
provide a network processor based packet handling engine (packetmaster) and
software to sniff and analyze packets on multiple links and can eliminate
duplicates appearing on multiple links.
- Distinct Network Monitor
is a software packet capture and network protocol analyzer for Windows
that translates complex protocol negotiation into natural language,
pinpointing where errors occurred.
- Easy Service Monitor
(ESM) will monitor network services to see if they can work properly with a
predefined time interval. It runs on Windows.
an HTTP packet sniffer, protocol analyzer and file reassembly software based on
windows platform. Unlike most other sniffers, it is dedicated to capture IP packets
containing HTTP protocol, rebuild the HTTP sessions, and reassemble files sent
through HTTP protocol. Its smart real-time analyzer enables on-the-fly content
viewing while capture, analyze, parse and decode HTTP protocol.
provides a connection-oriented view for analyzing packets.
for Windows is an Ethernet network traffic and protocol
analyzer designed to assist in troubleshooting and
debugging mixed-platform, multi-protocol networks.
analyzes all L2-L7 communications in real-time across all application tiers
transforming unstructured packet data into structured wire data. It does
this by first reassembling every packet from every transaction back into
its original stream and does this on both directions of the transaction
flow - tying both sides of the conversation together in order to gain
insights into what's happening in the network. Protocol decoders are then
run against the reassembled transactions (comes with 45 built-in decoders
and more can be rapidly created from rules you set in the device).
provide sniffer like stand alone network test and monitoring devices for
10/100/1G and iSCSI, Infiniband and Fiber Channel.
- Garland Technology network TAPs"
are hardware devices that feed packets to one or many network tools
through breakout, aggregation, or rengeration/SPAN for 10/100/1000M
Copper to 1000G fiber optic networks.
- Gigamon Provide a hardware switch to enable
connecting a sniffer to multiple links.
provide an appliance for monitoring network trafic by sniffing it.
- IP Traffic Monitor
provides real-time information about network utilization for each application and store information
into a database for history review.
- Javvin Packet Analyzer
software-based network analyzer monitors Ethernet and WLAN traffic
in real time, and decode packets and displays in.
simple-to-use application that lets you inspect information on computers connected to you via LAN.
is a deep packet inspection software for investigating,
monitoring, and reporting on network and user activity.
SolarWinds automatically discovers your LAN or WAN and produces comprehensive, easy-to-view
network diagrams that integrate OSI Layer 2 and Layer 3 topology data including switch-to-switch,
switch-to-node, and switch-to-router port connections.
Windows software-based network packet analyzer
monitors traffic in real time and displays a wide range of statistics
in graphical form.
tools are designed to provide a comprehensive set of monitoring utilities
and packet sniffers to be used for capture, statistical analysis,
and protocol decoding in your Ethernet network. It runs on
OptiCop Converger: Optimizes Network traffic for better utilization of network monitoring
tools through the use of link aggregation, packet filtering and interface/protocol
- Network Probe
is a Windows or Unix network monitor and protocol analyzer providing a
picture of the traffic situation on your network and enables you
to monitor network traffic in real time, hunt down, identify, and
isolate traffic problems and congestions on your network.
- NetworkActive PIAFCTM
(Packet Intercepting, Analyzing, File Constructing Traffic Monitor)
network traffic analyzer; packet/protocol analyzer, HTTP file rebuilder, graphical traffic mode (graphical overview of current network communications), and traffic statistics mode.
There is also a free for personal and commercial use
that provides a network traffic analyzer plus a packet/protocol analyzer
and HTTP file rebuilder.
Graphical network visualisation tool with per-second resolution,
real-time and historical data.
from Network Instruments is a network analyser (Packet sniffer) for
10/100/1000 100/1000 Full Duplex and Multi trunked Ethernet links,
wireless a,b an d g, token ring and FDDI.
is a Win9x/NT & Unix
packet sniffer analyzer decoder package capable of decoding many of
the commonly used LAN protocols.
- PRTG Traffic Grapher
Windows software to monitor bandwidth usage and other network parameters
via SNMP. Has a builit in packet sniffer. Freeware also available.
- Sniff'em is a
Windows based Packet sniffer, Network analyzer and Network sniffer.
- Ultra Network Sniffer1
for Windows lists network packets in real-time from multiple network
cards and also supports packet capture.
Network Analyzer. Scriptable and extensible network analyzer with fresh new views of protocols URL.
- VSS Monitoring5
provides a range of distributed traffic capture systems and taps
from 10/100 to 10 GigE for complete, selectable and centralized
visibility of networks, improving network analyzer reach and efficiency.
- WildPackets Omni
fault analysis platform for optimizing network services and
improving uptime on enterprise networks.
- Applications/Services/Systems monitoring
(Hosted/managed monitoring services)
- AccelOps now FortiSIEM
integrated monitoring solution, which does security, performance, availability and change
monitoring for data centers and cloud services.
- Advanced HostMonitor
is a system management tool that continuously monitors servers'
availability and performance. In the event of network errors, HostMonitor
will alert the network administrator.
- Alchemy Network Monitor
monitors network servers: TCP/IP, ICMP, IPX/SPX, Oracle,
MS SQL, NT EventLog, SQL query, HTTP URL, NT service state, maintains
log file and sends notifications if the server goes down.
Also marketed in Europe as
website and web application performance monitoring. Supports
transaction monitoring of sites that use complex HTML, AJAX, Flash,
Flex, and Silverlight. In-depth root cause analysis for trouble-shooting
- AppQos Live!
from iTrinergy provides rapid answers in identifying, in real time,
the causes of poor application and network performance problems.
is an Application Performance Management (APM) solution that monitors,
troubleshoots, and diagnoses problems in mission-critical apps.
Argent has three products - The Argent Guardian, a real-time monitoring
and alerting system for NT/2000 servers as well as SNMP-compliant devices;
The Argent Predictor, a trend-analysis product for both NT/2000 servers and
SNMP devices; and The Argent Sentinel, a web monitoring product.
Enables a wide range of automation imperatives encompassing data
aggregation, application integration, system/application/network
monitoring and problem resolution, disaster recovery, file/data backup
Windows bandwidth test software to monitor bandwidth usage and speeds.
LAN and Internet bandwidth meter.
provides web performance monitoring services relying on synthetic
performance monitoring of actual end users.
evaluates the performance of networked applications, performs stress tests
of network devices and predicts networked application
performance prior to deployment.
provides an availability monitoring software for servers,
network appliances, databases and applications.
Inspector collects and presents network LAN-WAN traffic as hyperlinked
relationships. View systems, ports, protocols, applications, and
content in a relational context so you can understand how each affects
everything else. In 3 clicks, Inspector quickly identifies issues
associated with slow network, WAN problems, poor application response,
connectivity, access control and security.
Windows based tool to monitor website, servers and network devices.
is an External Web Monitoring Service that brings together
Monitoring, Reporting, Notification, Escalation and Analysis for
HTTP, HTTPS, SMTP, POP3, DNS, FTP, ICMP and SOAP applications.
provides network and application monitoring services, built with PHP on
top of Nagios, pnp4Nagios and OpenVAS
provide Enterprise Management Products with
capabilities involving the ability to offer subscription
based remote monitoring through a web browser console,
real time monitoring and problem diagnosis and proactive alerts.
from NETIKUS.NET provides Real-Time Event Log, Log File, Syslog &
an SNMP monitoring solution that also monitors system health
(disk space, services, performance, NTP, etc.), file checksums,
temperature/humidity. Also includes compliance functionality
process and network tracking.
probvides CloudReady, a hybrid cloud-based network and application
end-user experience monitoring solution. Analytics include real-time
crowd-sourced network performance benchmarks for multi-tenant SaaS
platforms like Office 365, GSuite, Skype, VoIP and other web transactions.
- Eye-on Bandwidth
is a bandwidth monitor designed for scalability, speed and security . It has
multiple user levels with different privilegies, and is managed by a web interface.
provides a website monitoring tool using distributed
servers around the world. It also includes network monitoring tools like:
DNS, EMAIL, WEBSITE, SSL, ISP Speed Test, What Is My IP and Whois.
enables you to monitor process-specific network
performance metrics like requests and retransmissions to
proactively identify connection issues.
- Hosted/Managed Monitoring Services
Checks (http, https, ping, SMTP, POP3, IMAP4, FTP, TCP) web
server from multiple stations around the world.
a cloud based free tool that checks an organisation's Email 24/7 and
alerts users as soon as there is an issue with the email flow.
- iGLASS Network Monitoring Services
monitors your network's performance by providing 24/7 NOC monitoring services
for your network, servers and critical applications.
- GMS Live Expert
blends traditional IT Help Desk, with remote management software to
ensure Reseller Partners, and their end customers have one vendor
responsible for services and remote management.
is a SaaS-based automated monitoring tool that monitors networks, servers,
virtual environments, applications, and storage from a single pane.
provides a "24 x 7" website, applications, systems, network
and web traffic monitoring service helping users quickly identify
faults and deficiencies to ensure continuous operations of their
IT infrastructure and maintain business operations that provide
the ultimate web experience. Particularly Monitis provides personalized
Ajax dashboard interface, checks server performance and availability,
generates uptime reports, tracks visitors, checks CPU, memory and
other systems resources, and alerts its users in case abnormalities
are detected. External end-user checks are performed from
geographically dispersed servers as well from customer locations.
Internal checks can be performed inside of network firewalls
through smart agents.
- pingwy Monitoring
monitors remotely services like http,https,ftp,dns,telnet,ssh,pop,imap,smtp and
alerts you by mail and SMAS when the service goes down by mail. It also
allows you to have a precise view of your server's access and load
times upon different periods.
is a website uptime and measurement tools that verifies the performance of
non-transactional websites up to every minute from 25 points of presence
around the world.
- Speed Test
is a meter that monitors your internet connection, web site, cpu, memory,
Hard Drives, Wifi, LAN, Processes and much more all in real time and will
store all data recorded into an log, so it can be easily imported into
almost any application. This data can be used to help in resolving problems
with your internet connection or computer. Speed Test allows you to view
the data in many ways.
is a hosted solution that monitors and notifies for testing fax systems and circuits.
- Uptrends Website Monitoring
for your website, server and transactions from a global and end-user perspective.
offers professional remote server monitoring services from 16 locations worldwide:
http, https, ftp, pop, imap, dns, etc. Alerting by email, SMS, IM, and pager.
Extensive reporting, also useful for SLA monitoring.
- Heroix Longitude
web-based, agentless application monitoring tool.
- NetVizura DNS Checker
is a free web service for testing the health of DNS domains and DNS servers.
More than 30 tests in less than a minute, visualization of DNS errors and
- IPCheck Server Monitor
Network Up-/Downtime Monitoring Monitors critical network resources and
detects system failures or performance problems. Freeware available.
- GFI Network Server Monitor
Monitors your network & servers for failures and fixes them
automatically. Checks Exchange Server, SQL, Oracle, HTTP/FTP,
Disk health & space, event logs
is network monitoring software that can monitor chat content, email content
and web surfing activities in your network.
remotely monitors web sites and Internet services for availability
(http, https, smtp, ftp, nntp, tcp). Notifications sent via email
and SMS. Monitoring centres in United States and Europe
- Labtech Software
includes the following
features: Remote Monitoring, Software & Hardware Auditing,
Remote Control, Software Deployment, Scripting, Automation,
Auto-fixing Software Update, Ticketing, and timekeeping.
monitoer system health around the clock to troubleshoot performance issues.
Measure load time and latency, pinpoint slowness, and ensure up-time.
Get immediate alerts when something fails and set up automated triggers to
integrate with bug management systems.
- MonitorMagic - Server & Network Monitoring
is a proactive monitoring/alerting tool for Windows 2003, 2000 and NT
servers, workstations and SNMP devices.
- N-able OnDemand
MonITor Online provides 24×7 proactive network monitoring through status, notification and
performance reporting without any network reconfiguration.
is a distributed network monitoring solution that verifies that the network
and the applications are available to users. The system uses dedicated hardware agents
that continuously perform end-to-end tests and provide real-time information to the
NetBeez dashboard. NetBeez was built to scale, be quick to deploy and easy to use.
is an IT governance platform for the mid-enterprise that manages
information technology and security services from a business perspective.
hardware box that monitors network/service components including:
routers; firewalls; file, web, dhcp, dns, syslog servers. Also provides
protocol usage, bandwidth utilization, top web users and destinations,
latency, up/down time, TCP/IP services.
is LAN and Network monitoring software allows admin to view networked computer
screens LIVE and take complete control of a computer and block websites, social media and more.
provides network monitoring and surveillance software to track workstations
and individual users that may use multiple PC's on a network.
appliance, provides end to end monitoring of your network
and applications (web, email, database)
performance and security.
- Solarwinds Server & Applications Performance Monitor
brings monitoring, alerting, and reporting capabilities to applications and servers.
Discover your applications and get the visibility you need into application performance
and the underlying operating systems and servers they run on.
- Overseer Network Monitor
is a W2K network monitor providing easy installation,
Microsoft Management Console
configuration, and runs as a service to provide rock-solid reliability.
Monitors websites, network devices, servers, services, and notifies
administrators via Email, pager, cell phone, or net send.
- PRTG Traffic Grapher
Windows software to monitor bandwidth usage and other network parameters
via SNMP. Freeware also available.
- Server Supervisor
monitors the availability and performance of various network resources.
The program applies resource-specific approach to handle all cases from
regular local workstations to complex web and database servers.
It can be used by several people simultaneously.
They can use a web interface to configure monitors and receive custom alert
notifications depending on their roles. The program comes with built-in statistics analysis tool.
Monitors all TCP application packets as they travel from the network
through the data center and out again, providing a way to measure
network round trip time, server response time, data transfer time.
monitors network performance from synthetic probes installable
on-premises or hosted in POPs around the world. Analytics include
visual network topologies, BGP routes, DNS infrastructure,
VoIP traffic and web transactions.
event detection and notification software for applications.
IRP actively probes remote prefixes for metrics such as packet loss,
latency, throughput, historical reliability and maximum peer capacity.
Based on these actively gathered metrics, the platform computes a
performance and/or a cost-based route optimization.
The platform then announces the improved route to the network`s
edge routers via a typical BGP session.
- Big Brother and its clone
Big Sister consists of
local clients that
test system conditions and the availability
of network services, and send these status reports to one
or more DISPLAY servers
where these reports appear as little dots on a web page, or
PAGER servers that notify administrators about system problems.
is a Windows tool to provide a visualization of the data that is flowing
computer's network connection. It includes includes a reporting facility,
a notifications and events system
provide measurement reports (e.g. speed tests, security scans, loss).
- Anue Network Emulators aquired by Ixia 2012
are used to generate network latency, delay variation (jitter),
packet errors, bit errors and other network impairments in order to
test application performance over a WAN prior to deployment.
LoadView is a cloud-based, performance testing tool designed
to load and stress test websites, web applications, and other
public-facing web portals.
The 40G can simulate up to 15 separate links from 100bps to 40Gbps in
1bps increments and emulate latency, packet loss, congestion, and other
WAN impairments according to user specification. It can also monitor
traffic in real time on all the emulated links. The impairments are
configured and applied via browser-based GUI. The engine then forwards
packets accordingly between a pair of ethernet ports, allowing for safe
and accurate lab testing and validation of applications prior to deployment.
IP Network Emulators reproduce the unfavorable conditions of IP Networks and WANs
in a controllable and repeatable lab setting.
- Flow Monitoring
- Caligare Flow Inspector
from Caligare is a Netflow monitor and
analyzer with many graph statistics, low level searching,
application recognizer and utilization maps. Available in the US as
through Caligare partner Net US.
is a NetFlow monitoring solution (IP flows), providing wire speed
processing with no packet loss, for all types of networks from 10Mbps
to 10 Gbps.
provides visibility into all flow formats and normalizes content
regardless of source or sampling. You can then apply arbitrary
filters and views to manipulate the data into security intelligence.
- NetVizura NetFlow Analyzer
is an application for deep network traffic investigation, analysis and
reporting. It is based on NetFlow statistics, exported from your routers
and switches to NetFlow server. Highlights:
Web based Windows and Linux application,Cisco NetFlow 5 and 9 support
(or equivalent: j-Flow, NetStream etc.),Flow statistics based on IP
subnets, Hosts, Applications, Protocols, QoS, AS numbers.
provides traffic flow monitoring tools for
high-speed switches. The software is able to monitor tens of thousands of
switch ports continuously, producing real-time top flows charts, and
site-wide application-level traffic matrices.
- Intermapper Flows
from Dartware is a NetFlow and SFlow collector and analyzer that lets you see
exactly where traffic comes from, who's sending it, and what it's used
for. Runs on Windows, MacOS X, Linux, and Unix.
- NetDetector from
Nicksun a non-intrusive network security monitoring product that
(when deployed as part of your data communications infrastructure)
inspects traffic flows, detects the activities of intruders, sets alarms,
makes continuous copies of data from the network, and analyzes every
packet in the network in real-time at production network traffic rates.
- Netflow from Cisco.
- Netflow Analyzer
is a product specifically meant for Traffic Analysis and Network
Forensics, therefore, gives an in-depth visibility into the network
traffic, bandwidth utilization, top talkers in the network etc from
various flows, such as, NetFlow, sFlow, jFlow, IPFIX, Netstream etc.
NetFlow Analyzer also has partnership with Cisco and 3COM.
profiles flow data to help organizations quickly identify and alert on
network anomalies to help resolve performance problems and manage
network security and compliance across business services and
applications. Highly fault tolerant, scalable and granular.
Learns intensive network profiles with real-time, trending, multiviews,
scheduled reporting and alerting. ipv6 compliant. Supports Cisco
NetFlow v5/7/9, IPFIX, sFlow, jFlow, NetStream and Flexible NetFlow on
Linux and Windows.
- NetQoS uses NetFlow to
identify when and where problems are occurring or occurred,
identify viruses using real time reporting,
remove unwanted traffic instead of unnecessarily upgrading links,
view and plan the impact of applications on the network over time.
is delivered as a complete system, with hardware and software
pre-installed, and captures in real-time and provides later on demand
of the data.
- PRTG Traffic Grapher
Windows software to monitor bandwidth usage and other network parameters
via SNMP. Supports Netflow. Freeware also available.
- Scrutinizer NetFlow, sFlow & IPFIX Analyzer
provide network traffic analytics by collecting, visualizing and
reporting on all flow exports and metadata to deliver fast incident
response for both network and security incidents.
Dedicated NetFlow Collector (SevOne DNC) is a dedicated appliance for
organizations with heavy NetFlow reporting, analysis and troubleshooting
requirements, providing in-depth data about traffic flows in terms of
applications, protocols and hosts and their impact on the network.
- Solarwinds Netflow Traffic Analyzer
enables you to quantify exactly how your network is being used, by whom, and for
what purpose. Find the bottlenecks, and shut down the bandwidth hogs.
is a real-time network traffic analysis tool for small and medium business.
Provides visibility into top talkers and network congestion issues.
provides flow-based network performance and security monitoring for
provides reliable, secure, bandwidth controlled, automated, enhanced
Trellian FTP is a file transfer client that allows you to transfer files
between your PC and any FTP server on the Internet.
- WS_FTP for windows
provides a fast
and easy way to move files securely (with SSL) over the Internet.
there is a client
is a one or two-way
wireless data and messaging solution that enables software used for
network monitoring, field force automation, email, customer support,
help desk, to communicate with data enabled
wireless devices, including digital cellular phones, PDAs, one-way
and two-way pagers.
- IP Address/Asset Management
- Inventory Genie
is a Discovery based Inventory system, that can automatically build an
inventory on any subject (specially network & system inventories ) using
simple wizards, parsers and multiple protocols (icmp,snmp,sql,http,telnet,
It can be used to populates CMDBs. It has many pre-made discovery
rules. It has the ability to perform remote actions on
selected elements based on the information in its DB, thus enables provisioning.
is a network administration utility that conducts a passive
inventory of IPv4 and IPv6 devices on your local network
segment by either capturing live packets off the network or
reading previously recorded packet capture files. It can be
used to perform passive network enumeration and assist in IPv4 to
IPv6 migrations by displaying the number of network devices
detected that have only IPv4, have only IPv6 or are dual-stacked
IPv4 and IPv6.
- IP - MAC Scanner
enables administrators to fast scan all the connected devices and shows the
IP/MAC addresses. It can also backup the scanning results to database for
- netTerrain DCIM
data center infrastructure management, automated network documentation.
- PC Inventory Advisor
automatically queries all computers on your network and reports back
with details about OS and hotfixes, installed software and hardware,
network alerts and visual comparison of configurations.
- Raritan dcTrack
DCIM Operations software is a data center
infrastructure management (DCIM) solution that tracks the assets
in a data center and their connectivity to the power chain and
network/cable plant providing real-time tabular and visio like
visualization of power, rack space, and network port capacity.
- Remote Asset Tracker
is a network inventory and PC auditing software designed specifically for
medium and large companies.
Hardware Inventory and Management, Software Asset Management (SAM),
User Activity Monitoring, Remote Desktop and IT Helpdesk.
Total Network Inventory
is a PC audit and Network inventory software for office and large scale
enterprise networks. Total Network Inventory interrogates all computers
and notebooks on a network and reports back with complete information
about OS, service packs, hotfixes, hardware, software, running processes,
etc. on remote machines. This information is added to the centralized
database and network administrators are able to generate reports about
each or all PCs (notebooks) on a network. The program is agent-free and
requires no software installed on remote machines (laptops).
- Trogon MAC Scanner
Utility to scan and list IP and MAC addresses, workgroup, username,
manufacturer of network adapter of all devices on LAN.
- XIA Configuration
A network documentation tool that inventories and audits the configuration
of your server infrastructure and tracks changes to your IT environment
including Windows, Linux, VMWare, Citrix and more.
- IT Search/Log Analysis
is a log management and real-time analytics service built for
the cloud, connecting to virtually any device or platform to
make business insights from machine-generated log data
provides ad-hoc search and log analysis.
allows you to search and navigate IT data from applications, servers
and network devices in real-time. It includes logs, configurations, messages,
traps and alerts, scripts, code, and metrics
- Keynote Systems is a supplier of
services for measuring and managing the responsiveness of
web-based applications. KeyNote
RedAlert is aWeb site monitoring service that can perform end-to-end
checks of your a site every 5 or 15 minutes. It can also monitor
DNS, email, news & telnet servers.
- MeterWare for Windows 95/NT & UNIX from
- NEPM (Network Equipment Performance Monitor
is a two part software system that captures and analyzes logged performance data from
IP networked equipment and reports it via e-mail and web pages.
It can be hosted on either a Unix or WinNT system or a combination of these.
- Network Security Monitoring Tools
is an intrusion prevention software framework that protects
computer servers from brute-force attacks.
- GFI LANguard
network vulnerability scanning, patch management and auditing solution.
is a visual network security monitor with suspicious activity alerts,
a firewall management tool, and the ability to monitor local or remote computers.
- IP Geolocation API with Threat Intelligence
provides the Geolocation, Organisation, Currency, Timezone, Calling Code,
Flag, Proxy, Carrier Detection, Tor and Threat intelligence data from any
IPv4 or IPv6 address.
Security Center: Network security monitoring software that provides real-time
intrusion detection and prevention by enforcing network policy organization
rules and online network users activity management.
- Network Enforcer
Network security software that monitors user behaviors using security filters.
- Network Mon ACL Analyzer
A Macintosh tool for finding errors, matches, and duplicates in Cisco IOS, NX-OS, and ASA access-lists.
is a network security scanner that allows to audit and monitor network for possible vulnerabilities,checks methods that a hacker might use to attack it. Over 45 network tools for
monitoring, scanning, sniffing, enumerating and gaining access to machines
(access to secured shares and confidential files, also detects and logs network access to shared
(now part of IBM) isolates the source and
identifies corrective measures for dangers hiding in daily network
- Sentinel IPS
is a device that blocks malware and other threats from
getting through by making your network invisible to malicious users.
- System Shepherd
delivers end-to-end application visibility (from end-user experience to network
to application internals). It is provided as a software service that can optionally
be coupled with managed services. The level of optional management is flexible.
It can range from Managed Alerting to multi-dimensional SLA-based application management.
helps companies measure and optimize the speed and availability of critical
online applications, from establishing performance objectives to maintaining
peak performance, Techout helps companies measure and optimize the speed and
availability of critical online applications.
- Trisul Network Analytics
listens to network packets and creates traffic metrics, monitors flows,
extracts metadata and indexes packets for real time analytics and incident response.
is an Internet filtering software that can help organizations to monitor
and manage all Internet behaviors on their networks. You only need to
install WFilter in one computer to monitor your whole network.
from Tavve is a secure network management proxy appliance for the DMZ; it proxies
SNMP GET/SET, SNMP Traps, syslog, NetFlow, sFlow, IP status, and TCP port status,
delivering the proxied traffic to a network management platform or tool.
- NetOps provides a set of tools for monitoring,
logging and reporting network status, focussing on preventive maintenance.
Drawing on information generated by NetScout's application-aware
active agents and data collected directly from network devices strategically placed
throughout the WAN, SAN, and LAN, the nGenius Performance Management System monitors,
troubleshoots, performs capacity planning and reports on the application traffic
flowing across the network.
- NextPointS3 provides the ability t
define, measure, baseline and report on service levels at many levels
from the core network to end user applications.
is a multi-threaded graphical TCP/IP network monitoring and diagnostic
tool for Windows 95 and NT.
Service Assurance Agent built into Cisco IOS allows
measuring response time, net resources, availability, jitter, connect time,
packet loss and application performance.
- SNMP Tools:
a generic SNMP manager
- MIMIC SNMP Simulator
creates large-scale network labs for development,
testing, marketing, training of SNMP-based network management applications.
Provides SNMP-based performance metrics for managing network
infrastructure, devices, and services
is a modular network management analysis tool that uses the SNMP protocol to talk
to various agents and devices on a computer network, offering a variety of
plug-in modules like a
MIB Manager, Trap Manager, PDU Capture, etc.
- Open NerveCenter
is a network management platform, based on SNMP, that is
extensible using PERL. NerveCenter correlates events in real time
from network and security devices, UNIX and NT
systems and applications to improve availability,
performance and security.
has a set of SNMP utilities.
- Raritan PowerIQ
DCIM Monitoring software is a data center infrastructure management
(DCIM) solution that enables data center and facility managers to
closely monitor the data center environment and power infrastructure,
providing alerts, reports, trend charting, and dashboards.
- SNMP Explorer
provides a tree view of your SNMP managable devices,
provides a way to talk to or from the devices,
provides a flexible log of transactions, and permits you to
transact with the devices with simple yet powerful scripts.
- SNMP Informant
is installed on Windows hosts to enable them to provide SNMP information.
SNMP. A visual SNMP MIB browser, compiler, walker.
- TelAlert from CalAmp
a package for enunciating
alerts and managing via pagers, email, pop up windows etc.
- Topology/Mapping/Traceroute based tools
from Akamai, maps user IP addresses to their geographic and network
point of origin. This information is
assembled into a vast knowledge base and made available to
- Graphical Network monitor
Windows application to show all of your network connections plotted
on a map in real-time.
Allows you to view traces on a flat map or 3D globe. Incorporate
geographical features such as cities, rivers, and political
boundaries. Zoom in on areas of interest. Save and restore trace data.
Rotate and manipulate maps. Update and customize geographical
location cache files.
- IPv6 and More (Pro)
Android App for automated ICMP, TCP and HTTP health monitoring
and scanning of IPv6 and IPv4 networks also including network,
transport and application layer connectivity tools.
- NeoTrace provides graphical traceroute information.
is an enhanced traceroute program for Windows 95/98/NT/W2K/XP.
- Route Explorer provides
visibility, analysis and diagnosis of IP networks
from a routing point of view
from Solana Networks is an IP network monitoring and diagnostics tool focused on
topology, routing and qos
- VisualRoute a GUI based traceroute for Windows.
- Viola Networks, acquired by Fluke provides
and other tools that include a suite of tests to provide "true" Service Level
Management (SLM), the ability to audit policies and Quality of Service
(QoS), and automatically conduct
preventive maintenance tests to discover hidden problems in the network.
- VisualPulse from
DataMetrics provide realtime and historical reports on RTT & loss.
- VoIP (Voice over IP)
Uses standard protocols (ICMP and/or UDP) to transmit small packet configurations
across the actual path the application takes. These packets vary in size,
pattern, and spacing to fully characterize the network path.
Detects signatures used to identify the likely cause of the problem, including
MTU mismatch, QoS mismatch, duplex mismatch, media errors, path congestion,
excessive packet reordering, etc.
- Best VoIP providers
is a directory of all business VoIP providers with reviews from real users.
- Monitor your VoIP and RTC traffic Real time,
SIP3 is an end-to-end solution for real-time monitor, analysis and troubleshooting
of network performance in large volumes of traffic.
- Nectar Services
Converged Management Platform (CMP) provides comprehensive VoIP
monitoring and management solutions including QoS Voice Quality
Management, tailored for Avaya and Cisco Unified Communications
and Contact Centers.
is a cloud-based solution using distributed active measurement probes
which are easily downloaded and deployed on PC hardware. It supports
concurrent monitoring of SIP signalling perfomance and ongoing call
quality, as well as live IPTV MPEG monitoring in combination of flexible
TCP/UDP traffic generation up to 10 Gbit/s.
Analytics is a reporting and analysis tool that allows you to access and manipulate your
call data visually through customizable reports, wallboards, dashboards, and
- Orion VOIP Monitor
proactively analyze VoIP quality across WAN links, as well as monitor
the underlying systems and protocols that the VoIP environment relies upon.
provides systems management software for performance monitoring of IP telephony,
VOIP, availability, network management, Windows, UNIX and Linux.
- SevOne VoIP
Telephony Monitoring, enables organizations to monitor the quality of experience for
their VoIP applications from the same system and web-based console that they use to
manage their network performance and availability. All of the SevOne capabilities for
polling, monitoring, alerting and reporting are available for VoIP call quality metrics.
- Tekno Telecom
non-intrusively monitors converged wireline, wireless
and next-generation networks (including SS7, SIP, Sigtran, IMS,
and LTE) deriving business intelligence and generating network
call/session detail records for Troubleshooting, Call Trace,
Protocol Analysis, Quality of Service, Inter-Carrier Billing,
Fraud Prevention, Revenue Assurance, Roamer Analysis,
Surveillance, Billing Verification, and Alarming.
provides Voice over IP (VoIP) passive call quality monitoring and
active Quality of Service (QoS) management. Designed specifically
to be embedded into VoIP end-systems, management devices and DSPs,
Telchemy's non-intrusive monitoring technology, VQmonTM,
is the only technology to model time-varying impairments and their
effects on end-user-perceived quality in real-time.
provide LANTraffic V2 and IP Traffic Test & Measure
software testing tools for automatic generation of TCP and UDP traffic.
- Video over IP
Public Domain or Free Network Monitoring Tools [Contents]
Application Monitoring |
Finger Printing |
Flow Monitoring |
Host based network monitoring tools |
IP Address management (IPAM) |
Monitoring Infrastructures |
Network Security |
Packet Capture/Analysis Tools |
Path Characterization |
Throughput tools |
- ANL Web100 based Network Configuration Tester
tests the reliablity and operational status of your network link.
- Application Monitoring
provides free monitoring of HTTP, TCP/IP port, ping, SMTP, POP#
FTP, web page defacements from multiple networks around the world.
(Monitoring with SSH Environment) is a simple, lightweight (both in size
and system requirements) server monitoring package designed for secure
and in-depth monitoring of a handful of typical/critical internet systems.
(Open Source|System Monitoring and Reporting Tool) is a tool to monitor applications
with an agent per host. These agents report all there results to a central monitoring
console for displaying and alerting. OpenSMART agents can fix some errors (like not
running processes) on their own and OpenSMART knows about conditional monitoring
(e.g. in a cluster: An application will be monitored only, when the file system
is available on this cluster node, too).
- Serio IT Service View
is a free monitoring tool for servers and network devices. It includes standard
plugins for monitoring Windows Servers, Linux Servers, Exchange servers, 'pingable'
devices, log files, Oracle databases, web and web page content monitoring. It can
respond to SNMP Traps, and includes its own mib compiler and scripting language
for creating your own plugins. WMI integration allows rebooting of Windows servers,
restarting services, etc. Realtime graphs and web page status pages included.
is a browser-based desktop that lets you: inventory hardware, software and patches on
your network; monitor your network for new software, low disk space, offline servers and
rogue users; report on the information you need to manage your network.
- System and Network Monitor (SNM)
is a tool to monitor, graph and alert on computing devices
and services. SNM runs on a Windows or Linux device on your network,
24 hours every day. The recorded data is accessed via a
user friendly menu-driven web browser, e-mail alerts are raised
if a user determined threshold fails.
(used to be HobbitMon)
monitors hosts, network services, and anything else you configure it to do via
extensions. Hobbit will periodically generate requests to network services - http,
ftp, smtp and so on - and record if the service is responding as expected.
Through the use of agents installed on the servers, you can also monitor local
disk utilisation, logfiles and processes.
tool searches the sequence of AS number specified with the parameter from
IRR and indicates the first line of Description of AS Object.
- arpwatch, if this link
then you can
FTP it from ftp://ftp.ee.lbl.gov/arpwatch.tar.Z (since this is the master repository it
may also be a more recent version
than the one above).
monitors the Internet and discovers anomaly BGP updates caused by
prefix hacking and adversaries via the web site.
a web based service, freely available to the community since 2004,
which allows graphical inspection of interdomain routing evolution
using public BGP data collected by www.routeviews.org and by
can monitor your prefixes and alert you in case of a 'interesting'
path change. Recently this has received quite some attention.
Specifically after the Youtube hijack and the demo given at defcon.
This little gadget will try to retrieve the forwarding table entries
(Mac to interface number) of switches (layer 2 devices). This comes in handy
when you want to know to which interface of a switch a particular NIC (e.g. computer)
is attached to. Now suppports parameters for command line use.
(Distributed Internet Traffic Generator)
is a platform (collection of tools) capable of producing traffic
(network, transport and application layer) and of accurately replicating
appropriate stochastic processes for both IDT (Inter Departure Time) and
PS (Packet Size) random variables (exponential, uniform, cauchy,
normal, pareto, ...).
A Linux and Windows system for emulating the effects of bandwidth limitations,
propagation delays, bounded-size queues, and packet losses.
is a Wide Area Network Emulator, meant to provide a real experience
of a Wide Area Network/Internet, during application development /
testing over a LAN environment.
- NetworkActive Port Scanner
a network scanning tool that can perform UDP and TCP port scans and
subnet scans, whois, DNS-dig, ping, protocol scans, and TCP/IP stack fingerprinting.
- Nmap is a utility for
of large networks, although it works fine for single hosts.
OPENXTRA has a version
(NMapWin) for Windows.
TCP Behavior Inference Tool
performs probes against victim hosts to identify services
which may potentially be
vulnerable to exploitation.
open source - Network Discovery. ZMap is a fast single packet network
scanner designed for Internet-wide network surveys. On a computer
with a gigabit connection, ZMap can scan the entire public IPv4 address
space in under 45 minutes. With a 10gigE connection and PF_RING,
ZMap can scan the IPv4 address space in 5 minutes.
- Flow Monitoring
the network Audit Record Generation and Utilization System.
The Argus Open Project is
focused on developing network activity audit strategies that can do real
work for the network architect, administrator and network user.
It is a Unix based Real Time Flow Monitor designed to track and
report on the status and performance of all network transactions seen
in a data network traffic stream.
is a system for advanced firewall log and traffic analysis in large TCP/IP networks.
- Cflowd is an experimental tool to collect
data from Cisco's
- Host sFlow
An sFlow agent for servers and hypervisors exporting standard
cpu, memory, disk, VM, container and network metrics with very
is a Perl CPAN module to decode and encode NetFlow/IPFIX datagrams.
- Netflow Monitor
is tool with a nice web interface for processing and evaluating NetFlow Exports from CISCO routers.
tools collect and process netflow data on the command line. They are part of the NfSen
project. The goal of the design is to able to analyze netflow data from the past as
well as to track interesting traffic patterns continuously. The amount of time back in
the past is limited only by the disk space available for all the netflow data. The tools
are optimized for speed for efficient filtering. The filter rules look familiar to the
syntax of tcpdump (pcap like).
A graphical web based front end for the nfdump netflow tools that allows you to:
dDisplay your netflow data: Flows, Packets and Bytes using RRD (Round Robin Database);
navigate through the netflow data;
process the netflow data within the specified time span;
create history as well as continuous profiles;
set alerts, based on various conditions;
write your own plugins to process netflow data on a regular interval.
enables real-time passive QoS monitoring of IP application flows + also
QoE evaluation for trained applications. Qosmet supports Windows, Linux,
and Android and runs as a light-weight SW Service, being controllable
from third party SW via a special protocol library.
A programmable engine for real-time flow-analytics with sub-second
reaction time, optimized for closed-loop-control using BGP,
OpenFlow and more. Free for non-production use.
is the standard File Transfer Protocol.
See also Commercial FTP tools.
- bbcp a secure
peer to peer file copy program supporting large windows and
multiple streams. See also the
an aggressive peer-to-peer file transfer protocol/implementation.
operates by installing a transparent proxy in the Windows
networking stack which detects outgoing FTP connections from any
Windows FTP client, and silently secures them using modern cryptographic
has a popular free FTP client
that adds support for firewalls,
intelligent ls caching, background and scheduled processing,
and Microsoft Windows.
Reliable File Transfer Service is a service that allows byte streams
to be transferred in a reliable manner. Reliability, in this context,
means that problems of less than a certain, user defined magnitude
are dealt with automatically. i.e. problems like dropped connections,
machine reboots, temporary network outages, etc are dealt with
automatically (usually via retry) until they either resume or meet
some "ultimate failure" condition
Re-engineered ftpd server with modern security and performance integrated.
Accounts easily isolated using integrated chroot() based configurations,
significant reporting facilities, performs well under high loads.
- WU-FTPD is a popular FTP server from
- Host based network monitoring tools
is a lightweight tool that can monitor network and other traffic
and provide a consistent, integrated view of what the system is doing.
It can run as a daemon, maintaining a set of rolling logs and
optionally can write them in a format plottable by gnuplot or loadable into Excel.
is a graphical network monitor for Unix modeled after etherman. Featuring link layer,
ip and TCP modes, it displays network activity graphically. Hosts and links change
in size with traffic. Color coded protocols display.
is a free opensource easy-to-use software that enables you to monitor your
network activity (like Etherape) for Windows.
is a console-based network statistics utility for Linux. It gathers
a variety of figures such as TCP connection packet and byte counts,
interface statistics and activity indicators, TCP/UDP traffic
breakdowns, and LAN station packet and byte counts.
- Ntop is a Unix tool that
shows the network usage, similar to the popular top Unix command.
is a free network monitoring tool suite including; TFTP, ping scan,
traceroute, and port scan.
a real-time list of active connections seen on a network interface, and how much bandwidth
is being used by what. Partially decodes HTTP and FTP protocols to show what filename
is being transferred. X11 application names are also shown. Entries hang around on the screen
for a few seconds so you can see what just happened. Also accepts filter expressions á la tcpdump.
- IP Address Management (IPAM)
is a Network Tracking Database providing a highly scalable program using
SSH/telnet that keeps track of all ARP and mac-address tables across
your routers and switches, with many features to ease network management.
You can map devices to your switch ports, locate all ports
configured for a VLAN and track all of this information over time.
is an Open Source web-based network management tool.
Designed for moderate to large networks, configuration information
and connection data for network devices are retrieved by SNMP.
With Netdisco you can locate the switch port of an end-user system
by IP or MAC address. Data is stored using a SQL database for
scalability and speed. It also provide optional use of
the Cisco Discovery Protocol (CDP).
is an open-source application which allows a network administrator
to manage IPv4 and IPv6 addresses (support for multi-view BIND
and ISC-DHCP), delegate DNS management to other people,
manage a large number of networks, users, domains, DHCP profiles,
etc, generate automatically generated network maps and traffic graphs,
and let users assign VLAN to equipment interfaces via a
simple Web interface.
- Lachesis a tool from Intel to
monitor and report on response time and packet loss to "landmark" Internet
- Mapping tools
Best commercial ip geolocation APIs
is an objective and detailed analysis of the most popular third party IP Geolcocation APIs.
It requires you to set up an account.
is a light-weight java applet which allows users to create a geographical image of a data set.
- Mapnet from NLANR/CAIDA is a
tool for visualizing the infrastructure of multiple backbone providers simultaneously
(Mapnet), and for updating and correcting information that may be invalid or out of date
is a database and collection of Perl scripts used to map IP addresses,
domain names and AS numbers to geographical locations.
- Network Weathermap
provides useful tools for reporting/visualisation of a network's flows generally.
- Monitoring Infrastructures
Comparison of Some Internet Active E2E Measurement Infrastructures)
is an Open Source
Network User Interface designed to unify your network utilities.
is a system monitoring, security and performance
analysis agent developed entirely in Python. Its key features are
portability, powerful configuration and ease of expansion.
is a scalable distributed monitoring system for high-performance
computing systems such as clusters and Grids.
is a mature free open source Java application that offers
real-time graphical monitoring and analysis of network performance
(using traffic generators and SNMP probes). The main advantage of
GNetWatch is that it can monitor events (like throughput) that change
for instance every second : the user can see a dynamic graphical window.
Monitor Open Source combines open source projects like Nagios, Nmap, Sendpage, MySQL,
etc with custom dashboards in one software package for monitoring a range of platforms -
Linux, Unix, Windows - & network devices.
- Hyperic HQ
Open Source systems management software designed to monitor, analyze and control
performance and availability of web infrastructure including hosts, virtualized
guests, services, applications and networks through an easy to use portal and
extensible plugin architecture.
- Nagios (used to be NetSaint)
is an open source host, service and network monitoring program.
It is designed to run under Linux,
although it should work under most other *NIX variants.
It can run either as a normal process or as a daemon, intermittently
running checks on various
services that you specify. The actual service checks are performed
by external "plugins" which return service information to
Nagios. Several CGI programs are included with Nagios in order to
allow you to view the current service status, history, etc.
via a web browser.
is a completely free toolkit for network professionals, featuring Ping,
Traceroute, Wake OnLAN, DNS Info, Who Is, Ping Scanner, Service Scanner,
Open TCP Port Scanner, SNMP Scanner, DNS Audit and Mac Resolver in one.
This application allows you to seamlessly monitor your online activity in
terms of traffic speed. The main window of the program is minimalistic
and contains a graph that shows the on-going traffic in your network.
The download speed appears in red, while the upload speed appears in
green. You can also view the maximum accepted speed.
Network Status Notifier
is a tool for monitoring and logging network status (links,routes,
addresses, neighbours...) and executing scripts upon state changes.
is a system, application and service monitoring tool with availability
and SLA tracking.
is a web-based monitoring package based on OSSWEB application framework.
It supports SNMP monitoring as well as specific services like POP3, SMTP, Ping.
End-to-end active measurement using ping to
monitor end-to-end performance of Internet links.
is a free Windows/SQL based network/system monitoring solution that has flexible
alerting capabilities as well as historical analysis of uptime and all counters
and monitor statuses for a variety of monitors such as ping, snmp, Windows
performance monitors, SQL, etc.
SCAMPI is a platform for passive monitoring. It can use several
different hardware monitoring adapters (SCAMPI adapters developed
in the project, DAG cards produced by Endace and regular NIC cards).
It provides MAPI (Monitoring API) as a high-level abstraction of
passive monitoring for easy creation of portable monitoring applications.
is a flexible network measurement and debugging system. Measurements are
expressed as scripts that run as an ordinary user, and a priviledged
daemon schedules and manages the packet exchange. The goal is to allow
any user to connect to any server and execute any safe network
- Simple Infrastructure Capacity Monitor (SICMD)
is a tool to monitor, graph and alert the capacity of computing devices.
SICM runs on a Windows or Linux device on your network, 24 hours every
day. The recorded data is accessed via a user friendly menu-driven
web browser. E-mail alerts are raised if a user determined number of
allows the user to input host IP addresses, it then pings these hosts every
five minutes and displays their status via a built-in web server, on port 8000.
It can optionally send email alerts if the hosts change status.
Total Network Monitor
is an application which can be installed on a server and runs 24/7,
constantly monitoring your network computers, servers, ports and
services and alerting administrators about arising problems by e-mail,
jabber, ICQ etc.
is an integrated, easy-to-use IT infrastructure monitoring software product produced by
the Open Source Community.
- mrtg Multi Router
Traffic Grapher. Also available from
is a ping probe for MRTG. It is used to monitor the round trip time and packet
loss to networked devices. MRTG uses its output to generate graphs visualizing
minimum and maximum round trip times or packet loss.
tools to make it easy to instrument distributed applications and
visualize the results.
- Network Security
- CERT NetSA Security Suite
The Network Situational Awareness (NetSA) group at CERT has developed
and maintains a suite of open source tools for monitoring large-scale
networks using flow data. These tools have grown out of the work of the
AirCERT project, the SiLK project and the effort to integrate this work
into a unified, standards-compliant flow collection and analysis
is a free app for wireless site surveys, Wi-Fi analysis, and troubleshooting on Mac OS X and Windows..
a built in Unix and Windows command line utility to display active network connections.
- NetStat Live
is a small, easy to use TCP/IP protocol monitor which can be used to see your exact
throughput on both incoming and outgoing data.
Nettest is a secure, real-time network monitoring utility. The nettest framework is
designed to incorporate existing and new network tests, and be run as a daemon or an
interactive process. Requests for network tests are received via a SSL connection
or the user interface and are authorized using an ACL list (in the future
authorization using Akenti will also be supported).
- Network Diagnostic Tool
(NDT) a web100 Java applet
developed to test the reliablity and operational status of your
desktop computer and network connection.
(Network Path and Application Diagnosis) is designed to diagnose network
performance problems in your end-system (the machine your browser is
running on) or the network between it and your nearest NPAD server. For
each diagnosed problem, the server prescribes corrective actions with
instructions suitable for non-experts.
- ns network simulator
is a discrete event simulator targeted at networking research.
- NIST Net
allows a single Linux PC set up as a router to emulate a wide
variety of network conditions.
(Network Operation Center On-Line)/SNIPS is a system and network monitoring
software that runs on Unix systems and can poll network and system devices.
It is capable of monitoring nameservers, web ports, host performance, syslogs,
radius servers, BGP peers, etc. New monitors can be added easily (via a C or Perl API).
- OWAMP One Way Active Measurement Program from Internet 2.
provides one way delay measurements.
- Packet capture/analysis tools. (see also
commercial capture tools)
these tools on your site you should check with your network security people.
- Bro intrusion detection system
contains a number of protocol analyzers that can munch on tcpdump
traces (or live traffic, of course) and extract high-level application
events from the reassembled TCP/UDP streams.
- Capsa Free
is a portable network analyzer for both LAN and WLAN which performs
real-time packet capturing, 24/7 network monitoring, advanced protocol
analysis, in-depth packet decoding, and automatic expert diagnosis.
review of best packet sniffers and network analyzers.
is a free network protocol analyzer for Unix and Windows (including Win2K).
It allows you to examine data from live network or from a capture file on disk.
is a network protocol analyzer for Windows, also know as a packet
sniffer. It is based on the Ethereal project, but provides a native
Windows GUI. Packetyzer can capture from virtually any network
adapter and supports many advanced features.
captures packets in promiscuous mode and is often used for intrusions
- Microsoft Network Monitor
is a packet analyzer. It enables capturing, viewing, and analyzing
network data and deciphering network protocols. It can be used to
troubleshoot network problems and applications on the network.
- NetFort SPAN Port Configurator
A Windows application that gives you an easy way to configure
SPAN ports on Cisco switches quickly and remotely.
is a passive network sniffer/packet capturing tool for Windows. NetworkMiner can detect OS's,
hostnames, open ports, sessions and extract files without putting traffic on the network.
NetworkMiner can also parse PCAP files for offline forensic analysis
- Network Timeout
Ntwork Packet Analyzer is an offline version of the real-time network
and application traffic analyzer developed by ExtraHop Networks.
is a passive network application response time monitor utilising packet capture (via libpcap),
tracking sessions maintaining transaction state and collecting metrics of server/network
response times, segment size negotiation and TCP window size advertisements.
is a software platform for packet capture and analysis. It is capable to extract,
either from live traffic or from file traces, Inter Packet Times (IPT) and Packet Sizes
(PS) inside conversations between couples of hosts.
Plab runs under Linux and FreeBSD. It tries to use as few processing resources as possible
and it is capable of analyzing traffic traces of hundreds millions packets associated to
millions of conversations.
is a Distribted Sniffer System, which allows users to capture network traffic
from an unique machine using a graphical client application. This feature is
very useful in switched networks, where traditional sniffers only allow
users to sniff their own network traffic.
is a measurement tool for capturing the protocol messages, internal
protocol states and to measure implementation performance on networking
nodes. Snuffle consists of a set of modules placed in the kernel, device
driver and user space. Currently measuring probes for UDP, IP and IEEE
802.11b MAC are implemented.
- TansuTCP (TT)
is a TCP trace utility which listens on a local port and then forwards tcp packets
to another server. You can see and save binary / text data to a file or you can
load binary data from a file.
is a program for eliminating confidential information from packets collected on a network
interface (or, from trace files created using the -w argument to tcpdump).
There is also a version for Windows.
takes tcpdump file(s) specified at the command line and draws pictures like figures in the
``TCP/IP Illustrated'' series.
You can see sample screen images of tcpillust or screen guide at
is a packet sniffer/capture program similar to tcpdump, but with
much reduced functionality. What sets TCPurify apart from other,
similar programs is its focus on privacy. TCPurify is designed from
the ground up to protect the privacy of users on the sniffed network
as much as possible.
is a Unix based program that parses the output file of TCPdump into human readable text.
is a TCP dump file analysis tool written by Shawn Ostermann at
is a traffic accounting daemon for Linux and FreeBSD, built on top of
libpcap, with accompanying tools to manage its data.
TCP statistic and analysis tool (Unix/Linux based) - allows collecting network performance
indexes from passive traffic analysis (i.e. packet traces),
at both network (IP) layer, and
at transport (TCP/UDP/RTP/RTCP) layer. It can be used to persistently
monitor links, thanks to the integration with the RRD database.
- WinPcap is an
architecture for packet capture and network analysis for the Win32
platforms, based on the model of BPF and
libpcap for UNIX. See also
windows and libpcap for Unix.
- Path Characterization & Bandwidth Estimation
Bandwidth Estimation Tools a compendium of tools
maintained by Sally Floyd.
measures the available bandwidth of a link.
is an active probing tool that can detect bottleneck location of
network path. It only needs single end control, and has relatively
small probing overhead (33.6KB for one probing in the default setting).
measures end-to-end capacity
- Pchar an
independent implementation of Van Jacobsens pathchar with more
Available for FreeBSD, Solaris, Linux, IRIX
- Pipechar a tool for
reporting dynamic network characteristics in particular the bottleneck
bandwidth. It is now part on the Network Characterization Service (NCS).
short for spatio-temporal available bandwidth estimator,
locate congested links on an end-to-end network path.
is an ARP level ping utility. It's good for finding out if an IP is taken
before you have routing to that subnet. It can also ping MAC addresses directly.
It is pre-installed on some Linux installations, but requires sudo priviledges.
- Colasoft Ping Tool
supports ping multiple IP addresses simultaneously and lists the
comparative responding times in a graphic chart.
is similar to ping but is optimized
to ping a large number of hosts in parallel.
Visualizes your computer network as an animated screen that lets you perform
administration functions, monitoring, pinging, scanning, exporting, looking
for software and hardware over the network.
will ping all your 2003-XP-2000-NT servers (or any other IP address)
in free-definable intervals. FREEping will send you a popup when
one of the 2003-XP-2000-NT servers stops responding
IPv6 and More
An Android App toolbox including Ping, Traceroute, Whois, TCP and
UDP testing focussing on IPv6.
pings from 8 locations worldwide to a host you select.
- MTR (Matt's traceroute)
combines the functionality of the
'traceroute' and 'ping' programs in a single network diagnostic tool.
- pathping is built into Windows 2000,
it pings all nodes along a route.
- Pingroute.pl is a simple Perl script to ping all
nodes along a traceroute and provide min, max, avg response time, plus packet loss
analysis for 100 and 1400 byte packets. The
source is freely available for
SunOS, Solaris, Linux, AIX and Digital OSF1.
- TCP based pings use TCP to figure out the Round Trip Time (RTT)
hping is a command-line oriented TCP/IP packet assembler/analyzer.
The interface is inspired to the ping(8) unix command, but hping isn't
only able to send ICMP echo requests. It supports TCP, UDP, ICMP and
RAW-IP protocols, has a traceroute mode, the ability to send files
between a covered channel, and many other features.
also can ping more than one host at a time.
is a network tool able to send custom ICMP/UDP/TCP
packets and to display target replies like ping do with
provides a web accessible TCP Ping. It is used to test the reachability of a
service on a host using TCP/IP and measure the time it takes to connect
to the specifed port.
- Qcheck (now Ixia)
checks network response time, throughput, and
streaming performance, by means of thin agents installed on hosts that
are to be checked.
monitors a router's (or device's) configuration,
including software and hardware (cards, serial numbers, etc), using CVS.
Rancid logs into each of the devices in a router table file, runs various
commands, chomps the output, and emails any differences ( sample) from
the previous collection to a mail list.
measures available bandwidth, latency, and streaming performance
(including noticing consecutive lost packets -- a key measure for VoIP)
using lightweight performance agents that include a built-in web server.
Using a web browser for a GUI provides many extra useful features,
such as the ability to save and print results, and the ability to
bookmark tests (and even make a page of tests for your intranet.)
(Round Robin Database tool) is a system to store and display
is a complete network graphing solution designed to harness the power
of RRDTool's data storage and graphing functionality.
- Cricket is a high
performance, flexible system for monitoring trends in time-series data.
The collector runs from cron every 5 minutes (by default), and stores
data into a file-based database managed by the
Later, when you want to check on the data you have collected, you
can use a web-based interface to view graphs of the data.
is a tool to provide a mechanism for transporting data across
a network and storing it in RRD databases. ElvinRRD is written
entirely in Python and works with (and requires) both Elvin and
RRDtool. Any Elvin producer (client) can send data for ElvinRRD to
store (e.g., EDDIE-Tool); and any RRD-aware software can process the
resulting RRD databases (e.g., Cricket, Cacti).
- Host Grapher II
is a light program that uses RRD to draw graphics of Hosts for Network,
Processes, CPU, Memory etc. Writing addicional plugins is quite simple.
Works on all major UNIX platforms and on win32.
is a tool for network monitoring, reporting, and graphing. Based on
RRDTOOL, NetMRG is capable of creating graphs of any parameter of your network.
Network Management Information System is an
SNMP polling and statistics viewer front-end to Tobi Oetiker's
- Orca is
a tool useful for plotting arbitrary data from text files onto a directory on a Web server.
Remstats is a system of programs to: gather data from servers and routers,
store and maintain the data for long periods,
produce graphs and web-pages tieing them together, and
monitor the data for anomalous behavious and issue alerts.
This software is a pretty good hack to wrap around rrdtool as collector
and presenter, easy to set up with not to much prerequesits. It only
needs a some perlmodules and perl. Its under GPL and is able to maintain
and monitor big environments.
measures latency and packet loss in your network. Uses RRDtool to maintain a
longterm datastore and to draw pretty graphs giving up to the minute information
on the state of each network connection.
is designed to be the universal data series processing framework. Its has a scalable hierarchical
design, with an application-independent core, and highly customizable architecture.
Suitable for small installations and for big enterprise or carrier networks.
Although most of our users deploy Torrus for SNMP monitoring,
it might be useful for data series of any nature. Tobi Oetiker's RRDtool is used for data storage.
- RouteViews is a tool for Internet operators to obtain real-time information
about the global routing system from the perspectives of several different backbones and
locations around the Internet.
- SolarWinds Free Tools
provides many free tools for everydays tasks performed by network professionals. Includes
uploading/downloading executabe images to network devices, IP address tracking,
syslog server, monitoring of some applications, netflow etc.
Son of Pong (spong) is a simple system monitoring package,
that will monitor system attributes and network services on a
variety of machines. It will gather status reports and contact
staff if there are problems. It will also summarize the information
and display it via a web interface
- TCPTune a TCP stack tuner for Windows
- Thruput tools (also see the FTP tools):
is a command line client application and a scheduling and policy daemon
that wraps the throughput testing tools Iperf, Thrulay, and Nuttcp.
These tests can measure maximum TCP bandwidth, with various tuning
options available, or, by doing a UDP test, the delay, jitter, and
datagram loss of a network
a simple UDP trafic generator.
is a tool for measuring maximum TCP and UDP bandwidth, reminiscent of
tools such as
It has been written to overcome the shortcomings
of those aging tools.
Jperf is a Java implementation.
- netperf maintained
by HP, is a general measure of performance of a network. Provides a measure of latency
between request and response of generic transactions across a TCP/IP network.
is a tool for measuring TCP achievable throughput.
- RUDE stands for Real-time UDP Data Emitter and
CRUDE for Collector for RUDE. RUDE is a small and flexible program that generates
traffic to the network, which can be received and logged on the other side of the
network with the CRUDE.
sends data to either the discard or echo TCP service on the specified host and prints the
measures achievable UDP and TCP single stream throughputs
(currently only supports Linux) also provides RTT estimates.
- Traceroute (also see
Traceroute Servers web site,
Free Network Traceroute test and
commercial traceroute products)
- traceroute servers.
is a traceroute visualization tool that uses a combination of methods
to either determine or guess at the physical location of a node in
the traceroute path. It is flexible enough to support addition of new
databases, heuristics to map IP addresses to physical location and maps.
- IPv6 and More
An Android App toolbox including Ping, Traceroute, Whois, TCP and
UDP testing focussing on IPv6.
is a small Windows tool to determine
the path MTU between you and a specified host.
In traceroute mode it will additionally show you the mtu at
every hop between you and the specified host.
- NeoTrace provides graphical traceroute information.
- pathping a Windows NT utility to do a traceroute and then
measure to each node along the route.
- Prtraceroute is a version of
that presents routing policy information together
with the real time packet trace obtained from traceroute. It adds AS information to the
normal traceroute output, making use of Routing Registry (RR) database information.
is a program that conducts traceroute to large numbers of IPv4 and
IPv6 addresses in parallel to fill a specified packets-per-second rate.
uses TCP to a port at the end node to do a traceroute.
- The tracepath for Linux is like traceroute but does not need
superuser and has no fancy options. It does discover the PMTU along the
has additional features like AS lookup, TOS support,
path MTU discovery, parallel probing and others.
- VisualRoute a GUI based traceroute for Windows.
is software for application and network monitoring.
Zabbix supports both polling and trapping techniques to
collect data from monitored hosts. Flexible notification
mechanism allows easy and quckly configure email notifications
for pre-defined events.
Management PlatformT (AMP) wireless network management software
provides centralized control for Wi-Fi networks. Features include:
access point configuration management, reporting, user tracking,
help desk views, and rogue AP discovery.
is an app for wireless site surveys, Wi-Fi analysis, and troubleshooting on Mac
OS X and Windows.
- Cedexis Radar
is a free crowd-sourced community that provides visibility
into the performance of public and private Clouds, Datacenters & CDNs, from
the perspective of real-end-users globally, so that enterprises can
make informed purchasing and architecture decisions. Radar currently
collects over 1 billion measurements a day of 32,000+ networks and all major
Clouds and CDNs.
is a load testing tool used to determine the performance of websites and mobile
apps by recording any number of user scenarios in a web browser and replaying
them to realistically emulate the application traffic of thousands of users
while monitoring key performance indicators and server operation under load.
(Web Site APplication Testing)
is a web load and stress testing tool that provides a way of testing web sites,
web servers, and intranet applications with web interfaces.
is a Web Capacity Analysis Tool freely available from Microsoft.
- WebStone from
measures raw throughput of a standard HTTP workload.
- Web Server Stress Tool
is a powerful HTTP client/server test application, designed to pinpoint critical
performance issues in your web site or web server that may prevent optimal
experience for your site's visitors. Supports SSL.
- WWW performance monitoring
- Website Monitoring,
Best website monitoring tools,
The Best Website Monitoring Services and
How to monitor your website's uptime
for lists of best website monitoring
services that keep a watchful eye on
both a domain's homepage and all of its other directories and subpages.
does Load and Performance testing as well as Website Monitoring.
is a free hosted service for monitoring the status of http servers.
Subscribers can also add popular ecommerce partner sites to their alert specifications.
shows actual and past information about the uptime of (mainly)
is an external website monitoring service that provides the user
with five free website monitors with 5-minute monitoring intervals.
It also alerts the user through phone, sms, and email when there
is a problem.
Free monitoring of uptime and performance of a web site from
multiple geographic locations.
is a web based tool for monitoring web sites and sending alerts on performance
or downtime failures.
free software to help you to test and monitor the Web, Mobile apps,
- Malware and Phishing Check
Use this tool to check your site against the Google Safe Browsing list.
is a server monitoring service and outage management
system for online businesses and service providers, providing the
ability to detect outages immediately, then notify the right people
about the outage, and finally, give a team the right tools to resolve
the outage quickly.
lets you monitor the uptime and response time of your web site or servers from
several locations around the world. See your historical performance and make
sure that you have a acceptable availability so you are not loosing customers
and visitors. You can also receive SMS and email notifications if any downtime
occurs so you can fix any errors the minute they happen.
monitors the uptime, downtime, and performance
of services and websites. It alerts you if something happens
-- 24/7/365 -- via email, text message, phone call, Twitter DM, or
webhook. You can monitor any HTTP, HTTPS, DNS, IMAP, POP3, SMTP,
TCP, or UDP service and test web transactions (step-by-step
activities) on a site.
is a free URL Checker tool - to verify if your websites are down
and determine if their content has changed.
is a Web site monitoring service that can perform end-to-end
checks of your a site every 5 or 15 minutes. It can also monitor
DNS, email, news & telnet servers.
checks your website and alerts you if anything breaks.
Website Monitoring providing 1 minute availability monitoring. It has 3
monitoring stations on different continents. Email, SMS and RSS alerts.
Malware Scanner service monitors your website and scans for potential threats like
spam and various types of malware.
provides Uptime Monitoring, Domain Monitoring, SSL Monitoring
Monitoring website uptime and basic functions (content,
file integrity, forms). Instant email and mobile text (SMS) alerts.
is a tool capable of checking your webpage every second without affecting
performance, and can monitor the following: HTTP, IMAP, PING, POP3,
SMTP, WEB URL. Alerts are sent immediately in the event of failure,
and include the reason for failure.
is a website monitoring and escalation service that monitors your
sites and services and notifies you when they go down. It also has
more features including multi-level escalation, custom
dashboards, and custom alarms to monitor slowness or other things.
provides website performance monitoring and testing services from
network locations in major cities across the globe.
Drill-down object, host, and component level detail
on test runs, reporting, and alerting help companies
identify and resolve availability
issues and performance problems.
is a Web based monitoring services which monitors networks,
web servers, websites, web applications and alerts you
when a problem is detected.
- WebSite up or down
checker is an easy tool for webmasters to check if a website is currently offline.
is a proven dynamic feature that uses synthetic transactions to measure
application performance from the end-user perspective.
- WHSR Host Uptime Monitor
Monitor up to 10 sites per account for free, site check every 5 minutes.
is a fast, free web server log file analysis program. It produces
highly detailed, easily configurable usage reports in HTML format,
for viewing with a standard web browser.
Auxiliary Tools to Enable: Monitoring,
Analysis, Report Creation or Simulation [Contents]
allows notifification, warning and informing distributed groups of
people. Telecom operator independent, AlarmTILT relies on multi-channel
communication to dispatch two-way emails, two-way SMS text messages and
two-way voice text-to-speech calls to PCs, mobile phones, landlines,
PDA/Smartphones, Blackberries, Iphones and more. AlarmTILT provides
special plugins for integration with Nagios and WhatsUp NMS systems
and generic plugins for any other NMS able to generate an email alert or
dump an alert to a file.
- GIF Manipulation and Animation
- Mapping tools
- Generic mapping Tools
is an open source collection of ~60 tools for manipulating
geographic and Cartesian data sets (including filtering, trend
fitting, gridding, projecting, etc.) and producing Encapsulated
PostScript File (EPS) illustrations ranging from simple x-y plots
via contour maps to artificially illuminated surfaces and 3-D
perspective views. GMT supports ~30 map projections and
transformations and comes with support data such as GSHHS
coastlines, rivers, and political boundaries. GMT is developed
and maintained by Paul Wessel and Walter H. F. Smith with help
from a global set of volunteers, and is supported by the National
Science Foundation. It is released under the GNU General Public
- Alerting Tools
PagerDuty collects alerts from server monitoring tools, provides an
overall view of all monitoring alarms, and alerts an on-duty engineer
if there's a problem with comprehensive calendaring, escalation and
alerting all in one.
- Plotting tools
- ChartDirector a chart component
control library for ASP/COM/VB/.NET/PHP/Perl/Python/Ruby/ColFusion/C++
Easy to use C, Perl, Python APIs, high performance library to create charts and graphs in
PNG, GIF and WBMP format.
open platform for analytics and monitoring.
- Gnuplot a command-line
driven interface function plotting utility.
- Google Charts.
non-interactive plotting package for Unix & Windows. Has mouseover and
mouse click capabilities.
- Analysis & Visualization tools
- Analyse-it is a software add-in for
Microsoft Excel that includes over 30 parametric
& non-parametric statistics, including descriptive statistics,
box-whisker plots, correlation, multiple linear regression analysis, ANOVA,
& chi-square statistics for general statistical research.
is an interactive/programmable Python/Ruby/Java/Lua packet inspection
engine with capabilities of learning without any human intervention,
NIDS(Network Intrusion Detection System) functionality, DNS domain
classification, network collector, network forensics and many others.
AIEngine also helps network/security professionals to identify traffic
and develop signatures for use them on NIDS, Firewalls, Traffic
classifiers and so on.
- moodss a graphical monitoring application.
The core takes care of managing modules (loading and unloading), displaying modules
data through sortable tables and diverse graphical viewers, handling user set threshold
conditions with email alerts, recording and browsing data history from a database.
moodss can predict the future, using sophisticated statistical methods and artificial
neural networks, and therefore be used for capacity planning.
- Anti Virus
- Best Antivirus Software
compares antiviruses over five rounds: features, pricing, user-friendliness, protection and support.
- Safety Detective
a global security community and experts sharing their honest feedback
on all the antivirus apps and software that exist today.
- Computing Vendors Online.
- Free PC Audit
interrogate a PC to find its configuration. It does not require installation
and can be used as a portable application.
provides podcasts of passive monitoring for
protocol analysis, RMON probe, network troubleshooting, application performance,
web experience management, network and application discovery, network security,
intrusion detection, access control, Sarbanes-Oxley, HIPAA and PCI compliance
auditing, forensics and packet capturing and storage, deep packet inspection,
VoIP analysis and IPTV service assurance, etc.
open platform for network, application, and cloud monitoring, for
heterogeneous operating systems
- Intense School
Provides resources for current and prospective network administrators
with a focus on Cisco technologies and Windows Server 2012.
mailing list is for discussions of issues related to automating network configuration
and management, including (but not limited to) methods, mechanisms, techniques,
philosophies, policies, and products (in general; questions about specific products
should be directed to the mailing list dedicated to that particular product).
- Network Management Tutorial
- Encryption Guide
tool for those who are seeking information about "Encryption".
In this guide you can get information about Public Key, Private key,
3DES, AES, RSA and all of other metrics which related to Encryption.
a free Cryptainer LE Encryption Software to Encrypt Any Data on Any Windows PC.
- Malware Analysis: Tools of the Trade
- Online Privacy Guide
features an extensive range of guides, interviews and research articles.
is a robust, commercial-grade, and full-featured toolkit for the Transport Layer
Security (TLS) and Secure Sockets Layer (SSL) protocols.
is a source of Information Security, Hacking News,
Cyber Security, and Network Security with in-depth
technical coverage of issues and events in the digital
era to create awareness.
free tools to generate random words, remove line breaks, convert a
word doc, convert text to basic HTML,
generate HTML and fix word capitalization.
- Tools: lists for network monitoring
- 26 Best Network Monitoring Tools and Software
a review of the best free and paid network monitoring tools.
Best Cisco Network Monitoring Tools
reveals a list of the top five Cisco monitoring tools. For each one,
there is a brief review of the product and its best features.
Best Network Monitoring Software
is a directory of business network monitoring tools with reviews from users.
- Best Site Performance & Monitoring Tools
a collection of some of the best site performance and monitoring tools that you
can start using right away to optimize performance and monitor your site.
- Best Website Monitoring Services,
provides a review of monitoring services to keep your site up 24/7.
- CAIDA Measurement Tool Taxonomy
provides a preliminary overview of Internet and TCP/IP performance measurement tools and
efforts and distinguishes tools used to measure the Internet from general TCP/IP
- Internet Tools
is a compact, comprehensive, carefully organized set of links to
essential Internet sites about Internet-based tools for information,
interaction, and communication.
- LBNL's Network Research Group
Includes links to lots of their documents and tools.
List of best 25 network monitoring tools.
- Netspec a Network
Performance Evaluation and Experimentation Tool from the University of Kansas.
Network Diagram and Mapping Topology,
Best Network Diagram Mapping and Topology Software.
is a repository of Tools and Software for Network Monitoring,
Management and Administration for Network Engineers,
Administrators and Tech Support specialists.
Performance Measurement Tools: An Internet2 Cookbook
gives customer testimonials and expert reviews of their favoriate "out-of-band"
network security and performance monitoring tools.
A list of the top network monitoring tools used by verified employees at large companies
Terena Guide to network resource Tools
a guide to network tools and innovation for users
of all levels of expertise.
Top 10 Intrusion Detection Tools
is a review of the top 10 intrusion detection tools.
Top 15 Network Monitoring Tools Reviewed
starts by discussing the need for network monitoring tools
and the different types of tools that are available.
Then looks at how bandwidth utilization monitors,
network analysis systems and packet sniffers work and how they can be used.
Finally reveals our top 5 tools in each of the three categories.
Some are free and/or open-source tools, others are commercial packages.
Top 7 Intrusion Prevention Systems
is a review of the top 7 intrusion prevention tools.
will work with your teams to define what monitoring software packages (if any)
are needed. They then configure and maintain the monitoring tools and your
teams use them.
Tutorial on Internet Monitoring & PingER.
- 9 Best Free VPN Services to Consider in 2019
an in-depth analysis of the best free VPN software, based on real user reviews, ordered by highest user satisfaction.
- Best VPNs
explains what a VPN does, how safe it is, whether free or paid is better, and provides its top choices.
Also see their home page at
- Best VPNs for Canada
Detailed VPN Reviews & VPN Guides for the Beginners.
- Best VPN for China
provides information on the best VPNs for use when visiting China.
- Best VPN Service
7 Best VPNs for your choice.
- Best VPN Services
Apps editorial reviews and ratings.
- Best VPN Services for Wordpress users
goes through the process of buying a VPN and what to look for in a VPN service provider.
Best VPN Solutions
is a list of free VPN solutions, ordered by number of verified user reviews.
- Best VPN Web
is a VPN review website providing rates and reviews of VPN
- BestVPN .tips
a VPN review website with in-depth analysis of VPN Tools.
- Free VPNs
reviews and guides for beginners who are new to internet privacy.
- Most Secure VPN
provides comprehensive online privacy guides and user's feedback based VPN reviews.
- Pandia VPN list
Provides a list of VPN services, VOIP services, SSL, FTP, CDN,
hosting products as well as many free/paid internet tools with reviews.
is a tech review website which brings industry experienced reviewers
to review and recommend tech products, specifically VPN services
and keep tabs on the latest online privacy/security trends and
data retention laws all over the world.
- That One Privacy Site: VPN Section
a not for profit site that evaluates VPNs to find the best tools
that consumers can use for privacy purposes.
- Tips for China
the Best and Fastest VPNs to use in China.
Up to date information on VPN performance in China.
- Top VPN UK
is a VPN review website focusing on VPN providers for UK residents.
- Top VPN Service
tests and provides up-to-date useful guides. There are current reviews, tutorials,
news, costs etc. including suitability for use in a country, and compatibility with a device to catch a show.
- VPN.com - Compare VPN Providers
discover pricing, features, picture of apps, devices supported
and more for over 900 different VPN providers.
- VPN Beginners Guide
what you need to know before getting a VPN.
- VPN Insights
aims to provide you privacy awareness and free tools to detect
your online privacy status.
defines the core functions of VPNs which helps internet users to
recognize the best VPN service to make the online activities protected.
a VPN review and privacy site with in-depth VPN reviews and guides on
how to protect your privacy online.
- WebAttack a large collection
of Internet Tools.
- Web Hosting
- Aussie Hosting
10 things you should look for when choosing a web hosting company.
- Beginner-oriented Guide
from 256 Kilobytes is a beginner-oriented guide for users looking to make their
first website, which covers setting up domain registration, web hosting, content
management systems, and the other steps to launch a site.
- Best Cloud Hosting
review of cloud hosting providers with pros and cons.
- Best Domain Hosting Canada
provides a detailed list of the top 10 places to host a domain for Canadians.
- Best Web and Cloud Hosting Services
highlights the best services, looks at industry trends and answers common web hosting questions.
- Best Web Hosting Canada
provides reviews and technical comparisons of the top 15 web hosting
sites for Canadians.
- Best Web Hosting in India
a one-stop source where you can compare different Indian web hosting companies
and pick the best. Along with web hosting reviews and comparisons, HostingClues
also offers the latest web hosting coupons.
- Best Web Hosting Services
a review of the top-5 companies for helping you choose the best web hosting provider.
- Cloud Hosting
discusses the pros and cons of cloud hosting, sometimes refered to as VPS (
Virtual Private Server) and make some recommendations.
has reviews of cloud storage, web hosting, data recovery and VPN services.
- Enterprise WordPress Hosting
from Presslabs is a secure made-to-measure hosting infrastructure meant
for the most complex website setups.
- Ranking Web Hosting
ranks Shared Hosting Providers by Uptime, Response Time, Price, etc.
- Top hosting providers from HRANK
is a free site that reviews existing hosting services and rates
on the basis of several factors.
- Top Web Hosts UK
provides a list of the best web hosting services you can safely use.
They are ranked by speed and uptime.
- UK Web Hosting Review.
provides tutorials on various Windows networking related topics such as
setting up Windows NT/XP/2000/2003 networks, troubleshooting,
connectivity and more. Also includes a comprehensive archive of
reviewed networking software.
- The X Consortium's Anonymous FTP Archive.
* Disclaimer: Reference herein to any specific commercial products, process, or
service by trade name, trademark, manufacturer, or otherwise, does not necessarily
constitute or imply its endorsement, recommendation, or favoring by SLAC, Stanford
University or the United States Government. The views and opinions of authors
expressed herein do not necessarily state or reflect those of SLAC,
Stanford University or the United States Government, and shall not be used
for advertising or product endorsement purposes
1When using the Chrome Browser extension for checking Links Results,
this gives an error, e.g. 403, 404, 405, 500, 503 503 503 503 503 but usually works from the browser.
2Host appeared to be down (temporarily?) last time we tested.
4This is slow to load and so may appear to not exist.
5Is redirected to an alternative site, often because of a takeover.
6Site may be blocked by some site firewalls due to cybersecurity concerns.