Open-Source Licenses
Last updated: 14 June 2026
Prajna Jyothi computes your Vedic astrology chart using an open-source service that builds on community-maintained astronomy and astrology software. We are grateful to its authors, and in keeping with their licenses we make the relevant source code available to you below.
Astrology computation service
Our chart-computation service ("Jyotisha Service") is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0). Its complete corresponding source code is publicly available at:
github.com/ranpil-calpine/jyothisha-service
Third-party components
- PyJHora — Vedic astrology computation library, licensed under AGPL-3.0.
- Swiss Ephemeris — astronomical ephemeris by Astrodienst AG, used under AGPL-3.0.
If you have any questions about our use of open-source software, please see our Contact page.