Boilsoft Video Joiner (formerly AVI/MPEG/RM/WMV Joiner) is the comprehensive and easy solution!!
Using this AVI/MPEG/RM Joiner, you can Merge / join multiple AVI, MPEG(MPG), RM(Real Media), 3GP, MP4 or ASF/WMV video files into one "non-stop" file. It's easy and fast! Just a couple of mouse clicks, you can enjoy your movie clips without break...
Direct stream clone, without re-encode
Support join AVI, DivX, MPEG-4 files.
Support join MPEG-1 and MPEG-2 video files.
Support join RM, RMVB files.
Support join ASF, WMV, WMA files
Support join 3GP(.3gp, .3g2) files
Support join MP4(.mp4, .m4a, .m4v) files
Join video files as many as you want.
Scramble and rearrange the video clips in the sequence that you exactly desire.
Very User-friendly interface.
they offer no changelog or system requirements....perhaps you should mail them about that.