A network security analysis and monitoring toolkit Linux distribution.
Fritz!Box SmartHome Monitoring with PRTG and AHA-Interface
Wide Area Network Emulator
A client for the MikroTik RouterOS API protocol, written in PHP.
Open source tool to monitor your servers and websites
Easy to use web front-end for NAGIOS / ICINGA also CD installer
Lomalarga is a VPN-like service based on SSH and Linux.