SynVisum
SynVisum is application program that displays visual effects provided by Quartz
SynVisum (sinviƷuːm) is application program that displays visual effects provided by Quartz, the drawing system in Mac OSX.
Multiple Quartz Compositions, still images, QuickTime movies and video inputs can be mixed at arbitrary ratio.In addition to Quartz Compositions provided by Mac OSX and SynVisum, any compositions created by user with Quartz Composer can be mixed.