For developers or those seeking specific older builds, the MKVToolNix GitHub hosts the source code and release archives.
mkvmerge is a command-line tool that is part of the suite. It is not usually downloaded as a standalone file; you download the full suite to get access to it. mkvmerge download
Based on your request, here is the information on how to download (which includes mkvmerge ). For developers or those seeking specific older builds,
The official website is .