SQL operating system instrumentation and monitoring framework
High performance Java APM. Powered by ASM
Nagios Open Source network monitoring software - The Standard In ITM
FlowViewer is a web-based netflow data analysis tool.
Front-end performance monitoring and user analytics platform
Zenoss - Intelligent IT Operations Management
Snare Enterprise: bit.ly/Snare-Trial
The open source grid computing solution
Track your ARP/MAC table changes and so much more
Netflow visualisation and investigation tool
Various TCP/IP servers, clients and network management tools
SSH Java client GUI for Unix, Linux administration and monitoring
Network performance monitoring and logging script for Cisco devices.
OSPF network discovery script via SNMP.
Tools to help you control IT systems and escape their control over you
netflow collecting and processing tools
Library for reading nfdump files