From 4Leaf Media Software:
4Leaf MPEG Video Joiner is specially created for you to join multiple videos to MPEG (MPEG-1, MPEG-2, MPEG-4). It lets you easily to merge unlimited number of AVI, MPEG, MP4, WMV, ASF, MOV to a large MPEG-1, MPEG-2, MPG, MP4, VCD, SVCD, DVD file with only 3 steps. In addition, it includes all-round options for video output, such as video bitrate, video width/height and so on. It performs greatly on Windows 98, Me, NT, 2000, XP, 2003 and especially on Vista.