It joins several AVI files into bigger one.

AVI Joiner is an easy-to-use video joiner for joining
several AVI files into one bigger AVI format. Because the AVI Joiner does not recompress the avi files, the audio and video of the output avi file does not have any quality loss. And AVI Joiner conversion speed is extremely fast. AVI Joiner also supports to drag and drop files. Only the AVI files, which have same frame rate, frame size, video codec and audio
parameters, can be joined with this avi Joiner.