There are many possible ways to employ video projection in your work, from outdoor video installations to more traditional and conventional gallery spaces, using one or more projectors, or as a live video performance sometimes known as VJing. Below you will find information on a selection of open source software useful for live video as well as video mapping:
Video Projection Mapping
Live video mixing / Vjing software
Lives - Lives 6 mixes realtime video performance and non-linear editing in one professional quality application. It will let you start editing and making video right away, without having to worry about formats, frame sizes, or framerates.