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.
VirtualCL (VCL) Cluster Platform.
A DVD ripping, DVD creation, Web video downloader, and video conversion tool.