Maitreya is a free software for western and Vedic astrology (Jyotish).

Platforms: Windows, Mac OS X, Linux and UNIX.

Website http://www.saravali.de

Available Github repos

Version 8: current release
https://github.com/martin-pe/maitreya8

Version 7: stable release, to be replaced by version 8
https://github.com/martin-pe/maitreya7 

Version 6: legacy release, still included in some older Linux or UNIX distributions
https://github.com/martin-pe/maitreya6