MiKTeX can be built on Windows and Unix-like systems.

Get the source code

GitHub

MiKTeX source code is available on GitHub:
https://github.com/MiKTeX/miktex/

Tarball

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

Date: 6/4/2017
File name: miktex-2.9.6350.tar.xz
Size: 24.46 MB
Download
Fork me on GitHub