CuteMupen is a front-end for the Mupen64Plus Nintendo 64 emulator. It supports the browsing of ROMs and changing of common settings.
EmuFamily allows you to play NES roms through FCE Ultra. It also allows you to configure the execution settings and catalogue your ROM collection. An English translation is in progress.
pyRetro is a MAME frontend written in pygame. It is easy to use and features nearly automatic configuration. It is designed to be used in an arcade machine cabinet.
A GUI to ease the process of producing a multipage PDF from a scan.
A language that adds classes, methods, and other object oriented features to C.