1)   Agile MP4 Video Joiner 2.3.1
Agile MP4 Video Joiner is the most popular video tool that join AVI/MPEG/MP4/MPG/WMV/ASF/MOV... videos to a large one such as MP4/MPEG-4/iPod/iPhone/PSP/Zune.... It merges multiple videos of different formats and supports so many output formats.

 2)   Twins File Merger 3.85
With Twins File Merger you can join/merge MP3, MPEG, text files, and Word documents into one big file. Whether you would like to make a big text-file or a non-stop CD, Twins File Merger does the job quickly, accurately and without losing any quality!

 3)   DigitByte Mpeg Joiner 2.0.099
MPEG Joiner is an easy tool for joining MPEG files into bigger one. MPEG Joiner is fast and robust without recompression. MPEG Joiner also supports to drag and drop files. Only the MPEG files which have same frame rate and frame size can be joined.

 4)   Agile Video Joiner 2.6
Agile Video Joiner is the world's best video joiner for merge AVI/MPEG/MP4/MPG/WMV/ASF/MOV... videos to a large video of AVI/MPEG/MP4/FLV/MOV/WMV/VCD/SVCD/DVD/etc.. It helps you join dozens of videos in a few seconds.