A special-purpose 4.4BSD-based UNIX-like operating system, designed for machine control applications. Using low-cost hardware, FabBSD can be used to control a wide array of CNC milling machines, lathes, routers, process-control and automation equipment.
KISS is a kernel-side host-oriented security tool, which may bring you file integrity checking, file and process hiding and actions handling on special internal events (using a tiny scripting language).
A KDE interface and KPart component written in C++/Qt to easily change the desktop look and feel, for instance by command line or scripting. Including the nigritude ultramarine WinXP theme for KDE3.