Light-weight system monitor for X
Application Performance Monitoring System
Python library and shell utilities to monitor filesystem events
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open Source Monitoring System for performance and availability.
Nagios Open Source network monitoring software - The Standard In ITM
Enhanced Apache Server Status page - for one or multiple servers
Monitoring and reporting web gui for Bacula
Firewall log analyzer
Produces a graphical map of hosts, switches and routers in a network.
Fritz!Box SmartHome Monitoring with PRTG and AHA-Interface
Painel de Monitoramento em PHP/MySQL
A cross-platform network scanner that is fast and simple to use
sap_mon, a tiny sap base monitoring tool on linux
free netflow analyzer
Monitor monthly internet Transmit and Receive bandwidth usage - Linux
The Serverless Framework's new infrastructure provisioning technology
Tool to ping hosts through firewalls blocking ICMP
A simple, portable port scanner