1)   Open Video Joiner 1.0
It joins all kinds of video files into a large avi file with transition effects.

 2)   Mpeg Joiner 1.0
It is an easy-to-use tool for joining MPEG files into bigger one.

 3)   AC3 Splitter 1.0
It is an easy-to-use tool for splitting an AC3 file into smaller ones.