What are some alternatives?
When comparing MKVToolnix and Andy's FLV Joiner, you can also consider the following products
FFmpeg - Open source multimedia suite for conversion, playback, profiling, and streaming.
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...
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.
Inviska MKV Extract - Free open-source utility for extracting tracks and other elements from MKV files on Windows, Mac and Linux
Gihosoft Free Video Joiner - Gihosoft Free Video Joiner, is a video joiner software, also called as a video merger or a video...