Building MiKTeX

MiKTeX can be built on Windows. A subset of MiKTeX, called MiKTeX Tools, can be built on GNU/Linux:

Getting MiKTeX Source Code

MiKTeX source code is available on Github:

If you prefer a compressed tar archive, you can download it here:

MiKTeX 2.9-2016-09-10 Source Code
Version 2.9-2016-09-10, all platforms
Size: 21.65 MB