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: 5/30/2019
File name: miktex-2.9.7050.tar.xz
Size: 24.41 MB
SHA-256: 6f886fa4b5a00b5b3278f1b494e67fb7ed942a94f2b1179c52976f078eb9e689
Download
Fork me on GitHub