SisIYA is a system administration and monitoring tool. You can monitor your Linux, Unix, Mac OS X, and Windows machines, switches, Airports, printers, UPSs, power switches, etc. Main development is done on Linux.
Siebel GNU Tools provides several small programs (most of them scripts) created to deal with different categories of problems when working with Siebel applications.
Retrieval of detailed phone and network information from Windows phones.
A flexible firewall and traffic shaping tool for Linux.