A network security analysis and monitoring toolkit Linux distribution.
Linux Server and Data-Center WAN Optimization
PotHead
Open source tool to monitor your servers and websites
Simple remote host's ports scanner web app.
Cyber-wrt pbx is embedded system in DD-Wrt router
Weblooker monitors serveral services on multiple systems for their sta
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Lomalarga is a VPN-like service based on SSH and Linux.