PiTiVi allows users to easily edit audio/video projects based on the GStreamer framework: Capture audio and video; mix, resize, cut, apply effects to audio/video sources
Transmission is a network of citizen journalists, video makers, artists, researchers, programmers and web producers who are developing online video distribution tools for social justice and media democracy.
flv converter - transcodiert (!) nach mp4 oder avi
Diva is a project to build an easy to use, scalable, open-source video editing software for the Gnome desktop.
iSquint is an iPod/TV video conversion app for Mac OS X.