Convert and edit audio, video, and DVD files, and convert documents.
One of the most powerful video editors to create high-quality productions.
Create, edit, and enhance your audio files with a professional open-source tool.
It is an excellent tool for converting AVI (DivX, XviD, YUV...) to MP4 video.
I.T.V.C. was just updated, the latest version includes a public API.