Movie Joiner is powerful and easy to use video tool which join several video files into a large one. It is a shareware AVI joining application that's advanced.
Here is a screenshot to illustrate the features and user interface of this application:
Stitch multiple videos together to create a larger clip with the possibility to include files of different formats. Screenshot of Movie Joiner - 350px · 320px
WavePad
Acoustica Mixcraft
ocenaudio
Subtitle Edit Portable
GiliSoft Movie DVD Creator