an extensible network statistics collector. it puts the network interface in promiscuous mode and feeds the data stream (after it strips off the appropriate protocol headers), it then displays the results at speficied intervals, either in a "progress bar" mode or as raw statistics
netlcdclient is a client for LCDproc. It shows network statistics from any interface listed in /proc/net/dev and will work well with 20x4 LCD displays.
a GNOME network load monitoring applet
Netlogger is a set of tools to send and receive generic information using UDP, with support for broadcast transmission. Some of the tools are scripts that rely on Ettcl and some are C programs.
a flexible and extensible network measurement tool (meter). It can be used for accounting, delay/loss measurement, packet capturing and much more. The main advantage over other existing tools is that it can be easily extended due to its modular (class-based) structure and dynamic loadable packet processing and information export modules
NetMon is a network-wide process monitor (kind of "top for networks") using GTK widgets.
a simple textual network load monitor for the GNOME panel
A simple console based utility for monitoring data bandwidth and data totals. Has logging so data totals are not cleared on computer restart.
a tool for network monitoring, reporting, and graphing. Based on RRDTOOL, the best of open source graphing systems, NetMRG is capable of creating graphs of any parameter of your network
a network monitoring tool that represents network information via audio output
an extensible multi-connections, multi-protocol, network client program, written in pure
an application that shows you the health your internet connection through a map of your part of the Internet
NeTraMet is a network accounting meter. It builds up packet and byte counts for traffic flows, which are defined by their end-point addresses.
monitors hosts and services on your network. It has the ability to email or page you when a problem arises and when a problem is resolved. NetSaint is written in C
Netsaint Console monitor
Netsaint Console monitor is a curses-based console monitor for Netsaint. It allows you to monitor Netsaint services without the expense or availability of a GUI.
netspeed-plasmoid is a simple plasmoid that shows the current speed of a network interface and some other statistics.
netspeed_applet is a little applet that shows how much traffic occurs on a specified network device.
nettest monitors a networks connection, and takes some action if/when the connection goes down.
an application to remotely monitor a UPS (usually via SNMP) and take one or more specified actions if a condition is met
a dynamic program which displays the Ethernet status based each the connection's activity. It has the capability of monitoring hundreds of site statistics simultaneously
Network Equipment Performance Monitor
(commercial) a very general, highly configurable, two part software system that captures and analyzes logged performance data from IP networked equipment and reports it via e-mail and web pages
NetworkControl is a utility that allows you to control and monitor your network interfaces, including wireless ones. NetworkControl also provides the connection IP, configuration and statistics (gleaned from "ifconfig" and updated each second), and provides graphic signal levels for wireless interfaces, handy for evaluating a system of wireless devices.
NetXMS is a new and rapidly developing monitoring system, released under GPL2 license. It can be used for monitoring entire IT infrastructure, starting with SNMP-capable hardware (like switches and routers) and ending with applications on your servers.
a tool for counting network traffic by using rules. Rule can be defined by source or destenation IP address, timeranges. Accounting result may be simple counter or histogram
lets you monitor NFS requests to any given machine, or the entire local network. It mostly monitors NFS client traffic (NFS requests); it also monitors the NFS reply traffic from a server in order to measure the response time for each RPC
NINO Is Not Openview
a network management solution to monitor your network, systems and applications: integrated, one tool for all. Features: SNMP, WMI, Response time performance monitoring, graphs with zoom, 3D topology view, events, reporting using HTML templates.
nmaplr is a nmap log reporting tool which will print out a text format report of a nmap log in the XML format (by using the -oX option).
a system and network monitoring software that runs on Unix systems and can poll network and system devices. It is capable of monitoringnameservers, web ports, host performance, syslogs, radius servers, BGP peers, etc. New monitors can be added easily (via a C or Perl API)
an interpreter of a declarative rule-based language designed for construction of state and event monitoring applications. For the purpose of constructing event streams and performing rule administration, it supports authenticated and encrypted peer-to-peer communication over TCP/IP, including encrypted file transfers, store-and-forward message queues, and remote command execution
an open source TCP/IP network monitoring tool written in Perl for UNIX
Network Map Divination is a network mapping program designed to automatically discover a local network, using SNMP to identify network devices and work out how they are physically connected together.
a web-based network monitoring package for Unix-like operating systems. It can quickly monitor tens, hundreds, even thousands of sites/devices at a time on multiple ports
ntop is a Unix tool that shows the network usage, similar to what the popular top Unix command does. ntop is based on libpcap. Read more
ntopng, the next generation version of the original ntop, is a network traffic probe that shows the network usage, similar to what the popular top Unix command does.
ntopng is a network probe that shows network usage in a way similar to what top does for processes. It acts as a Web server, creating an HTML dump of the network status.
Nuhe is a rule based log monitoring system, which is capable of action when rules are matched againsts log(s) activity. Default Nuhe mode is to run on background (daemon), but it can also be used in foreground and log analyzer mode. Log analyzer mode just analyzes given logs and prints results to stdout; no action is taken when Nuhe is in analyzer mode.
a graphical traffic monitor that is similar to gkrellm or xisdnload but offers additional operation parameters and display formatting options
OpMon is a network and system monitoring application based on Nagios with extended support for capacity planning, SLA, SLM, network discovery, service catalogs, report schedule, and much more. OpMon provides a GUI for Nagios as well as full multi-language support.
Opsview is a network and application monitoring tool that extends the capabilities of Nagios. Read more
primarily a network monitoring tool for content/urls and network services, but it also has some other functions such as, task list, server list, log changes for servers and a vendor list
Packit (Packet toolkit) is a network auditing tool. Its value is derived from its ability to customize, inject, monitor, and manipulate IP traffic. By allowing you to define (spoof) nearly all TCP, UDP, ICMP, IP, ARP, RARP, and Ethernet header options, Packit can be useful in testing firewalls, intrusion detection/prevention systems, port scanning, simulating network traffic, and general TCP/IP auditing. Packit is also an excellent tool for learning TCP/IP.
PACT is a software package to do complete port accounting for SNMP-manageable devices like routers, hubs, and switches.
Passive Asset Detection System: a signature based detection engine used to passively detect network assets. It is designed to complement IDS technology by providing context to IDS alerts
PagePoker is a perl package / class file that defines a browser agent with many powerful features for monitoring and testing websites, including elaborate failure handling that can send email and trigger snmp traps.
Pandora is a flexible monitoring platform. Pandora addresses current needs for improving Internet middleware and infrastructure by providing both in-depth understanding of network usage and metrics to compare existing protocols. Pandora is flexible and easy to use and deploy.
Panoptes is a scalable, extensible network and host monitoring tool. It includes a dynamic Web management interface based on the Dojo toolkit.
PaquitoMeter is a small program that shows you statistics about your network transfers. You can choose between interfaces installed in your system, your language and the maximum speed your connection supports.
an Open Source 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
pcap2mysql is a network decoder and file exporter which reads pcap files or sniffs traffic and stores data in a MySQL database. It supports Ethernet, ARP, STP, IP, TCP, UDP, and ICMP. The application-layer protocols it supports are BitTorrent, DNS, FTP, HTTP, IRC, Mail, MSN, palltalk, POP3, SIP, SMTP, and SSH.
pcapsipdump is a tool for dumping (recording) SIP sessions (and RTP traffic, if available) to disk in a fashion similar to "tcpdump -w" (the format is exactly the same). The difference is that the data is saved with one file per SIP session. Even if there are thousands of concurrect SIP sessions, each goes to separate file.
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