MainActor is a tool for creating animation files.

MainActor is able to load, edit, play, create and save animations and pictures of any size. It supports most of the commonly used animation and picture formats, including animated BMP, IFF, JPEG, MPEG-I/II, PCX, TGA, GIF, FLI/FLC, AVI, DirectShow and QuickTime. It has a variety of animation processing functions, including hundreds of transitions, effects, and paths.