Resolume - Resolume is an application for live video performances.
MadMapper - The Mapping Software
QLab - QLab, Live show control for Mac OS X.
Millumin - Software to create audiovisuals shows.
TouchDesigner - TouchDesigner is a visual development platform that equips you with the tools you need to create stunning realtime projects and rich user experiences.
ProVideoPlayer - ProVideoPlayer (PVP) is a multi-screen media server with screen mapping capabilities for live events like concerts, meetings, trade shows, sports, and more.