OStatic

The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing GIF/PNG images wh...

tcpdump is a common computer network debugging tool that runs under the command line. It allows the user to intercept and display TCP/IP and other pac...

Nagios is a popular open source computer system and network monitoring application software. It watches hosts and services that you specify, alerting ...

IPTraf is an ncurses-based IP LAN monitor that generates various network statistics including TCP info, UDP counts, ICMP and OSPF information, Etherne...

OpenNMS is an award-winning enterprise-grade network management tool that provides fault and performance information, service level reporting and mor...

SURVIVOR is yet another systems monitor. It consists of a POSIX-thread based scheduler written in C++ running arbitrary checks in a flexible, heteroge...

Top is a CPU usage display program. It provides a rolling display of the processes with the highest CPU usage on a Unix system, and also displays othe...

PIKT is a cross-categorical, multi-purpose toolkit for monitoring and configuring computer systems, organizing system security, formatting documents, ...

EtherApe is a graphical network monitor modeled after etherman. Featuring Ethernet, IP, TCP, FDDI and Token Ring modes, it displays network activity g...

htop is an interactive text-mode process viewer for Linux. It aims to be a better 'top'.