Mathics is a general-purpose computer algebra system (CAS). It is an
open-source alternative to Mathematica. It is free both as in "free
beer" and as in "freedom".

The home page of Mathics is https://mathics.org.

Installing and Running
See read the docs guide
https://mathics-development-guide.readthedocs.io/en/latest/
for instructions on installing
https://mathics-development-guide.readthedocs.io/en/latest/
and running
https://mathics-development-guide.readthedocs.io/en/latest/running.html

Contributing
Please feel encouraged to contribute to Mathics! Create your own fork,
make the desired changes, commit, and make a pull request.

License

Mathics is released under the GNU General Public License Version 3
(GPL3).