From Aone Software:
Ultra Video Joiner is a professional video file joining tool which join or merge multiple video clips into a large one like AVI Joiner, MPEG Joiner, WMV Joiner, RM Joiner, and MP4 Joiner. The Movie Joiner supports so many video formats including AVI, Divx, XviD, MPEG, WMV, ASF, RM, MOV, 3GP, MP4 formats. You can add an unlimited number of video files to the list and easily rearrange their order if needed, then merge the videos files to AVI, Divx, XviD, MPEG, VCD, SVCD, DVD, and WMV formats. You even can use it to convert a single file. It also supports join video files to VCD or SVCD image and DVD-Video files, so you can burn them into one VCD, SVCD, or DVD disc easily by using third-party burning tools. It already includes all video encoders and decoders. So you don't need download any other codec's to make it work.