MKVToolnix - MKVToolnix is a set of tools to create, alter and inspect Matroska files under Linux, other Unices...

Boilsoft Video Joiner - Boilsoft Video Joiner is a powerful video merger to join AVI, MPEG, MPG, VOB, RM/RMVB, 3GP, ASF, WMV, WMA, MP4, MP4A, MKV or FLV files, and so forth.

MKVtools - MKVtools was primarily designed for processing mkv files for use in DivX enabled DVD players...

MP4Joiner - MP4Joiner is a multi-functional and cross platform application for joining the multiple MP4 music clips.

Subler - Subler is a Mac OS X application that opens media containers, allows you to add or remove media...

Movica - Movica is an easy, open-source app for general modifying and splitting of less traditional codecs.