Spice+ is a general-purpose circuit simulation program, based directly on SPICE 3F.5 from the University of California (Berkeley). An improved version of Spice for DOS, Windows and Linux. http://spicep.sourceforge.net
cingb is an ATTEMPT to write a Gameboy-emulator for all kinds of platforms. It plays Gameboy and Gameboy Color ROMs, includes a debugger for step-by-step analysis of Gameboy programs and might be also interesting for educational purposes.
An IRC client that uses Tcl for not only the scripting, but also the "glue" at the C level for how all the parts of the application fit together.
IRE is a tile-based Computer Role-Playing Game engine based on Ultima 6, but with an emphasis on customisation and cross-platform support. Everything is controlled using scripts.
KewlWrite is a word processing program built for Linux and other systems that has a much wider variety of document setups than other text programs. For example, with KewlWrite, you can code an RSS page or write a page in PHP.
The UniXML library is intended to be an extremely portable XML DOM parser library, completely OS and C compiler independent.
Common Hardware Recovery Solutions by Ukrainian-Russian network from http://hardw.net/forum