The Active Monitoring System
Monitorix is a free, open source, lightweight system monitoring tool
Free and Open Source network access control (NAC) solution
Storage, SAN, LAN Performance Monitoring: IBM,NetApp,Hitachi,HPE,EMC
An engine to make Tor network your default gateway
Open Source Monitoring System for performance and availability.
A network security analysis and monitoring toolkit Linux distribution.
Full-featured enterprise network management tool
Network Load Balancer and Application Security
FlowViewer is a web-based netflow data analysis tool.
This is now also available here github.com/sharkcz/collectl.git
Monitorix is a system monitoring tool
lm-sensors repository