DSComm is a multi-client for Nintendo DS.
Planned support so far is for MSN, IRC, E-Mail and RSS feeds.

FileFormat is a Pike library which supports detection, decoding and encoding of various file formats.
Included are for example various game level formats, graphics formats, archive formats and filesystems.
The library is constantly under development and can be checked out using SVN.
There's also an web-based implementation available here.

HXEmu is a open-source Epson HX-20 emulator written in Pike/C++ designed to support most if not all features of the HX-20, including periphereals as well as some special features.

Spark is a game written in Visual Basic 6.0 and based on the classic game Asteroids.
The difference is that you're supposed to avoid the balls flying around while preventing your ship from flying outside the outer (red) circle.