DelVJ is a live video mixer VJing program for realtime video 3D composition and algorithmic video remixing of multiple sources such as multitrack video inputs from Firewire cameras, video media files, Puredata video channels, images, and text and RSS news feeds. It can send these sources to multiple outputs such as recording to hard disk and streaming to the Internet, local net, and screens. DelVJ can be controlled through OSC, and has interfaces for the Web and GTK. DelVJ allows multiple users to work on collaborative live video mixing projects for events, live broadcasts, artistic displays, and lighting effects. DelVJ aims for the flexibility and convenience needed for Pixel fests of many kinds.