LiVES is a simple to use yet powerful video
effects, editing, conversion, and playback system
aimed at the digital video artist and VJ. It runs under Linux, BSD, Mac OS X/Darwin, IRIX, and openMosix. It is frame and sample accurate, can handle
almost all types of video, and is fully extendable
through plugins and the included plugin builder
tool. It can also be controlled remotely using OSC.