Start with or OpenAstro.org – both free and legal. If you need professional firepower, save for Solar Fire . Your computer’s health, your karma, and your peace of mind will thank you.

: A modern, mobile-friendly app that provides professional-level features at a lower price point than desktop suites.

: Widely considered the industry standard for Windows users with deep research capabilities ( TimePassages

: Built on decades of astrological programming expertise, offering highly accurate chart calculations.