You can download MATE Desktop release tarballs from our archive:
You’ll also require a MATE Themes packages that matches the GTK3+ version shipped in your distro:
The git repositories for MATE Desktop are hosted on GitHub.
You can browse the code with cgit here too:
Other useful links:
- MATE University
- MATE Development
- MATE Roadmap
Don’t hesitate to contribute and have fun improving MATE!