Free astrology software

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K.P. Muhurat (Muhurta) Astrology

Software helps to find Best Muhurat based on the event. The software is based on the book "K.P. Muhurat - A Novel Technique in K.P." and uses KP Astrology principles. This software guides the user, step-by-step through the process of calculating the most astrologically auspicious time for a particular occasion or commencement of an activity on the basis of a good longevity and the required significators of the concerned cuspal sublords and running Dasa-Bhukti-Antara-Sookshma lords.
Most common events are:

Urania Lite

Urania Lite offers natal, progressed, directed and transit astrology charts, multiple composite up to 25 natal charts, transit list, widest selection of house systems and exact house charts in many systems, widest range of objects that can be placed easily on wheel and in aspect grid, Jonas cycle dates, astroclocks - standard, dynamic composite, clock as comparison with natal, combined ecliptic/house chart, import form ZET.

Primary Direction Explorer

Primary Direction Explorer (aka PDExplorer or simply PDE) is a freeware astroprocessor designed especially for exploring astrological Primary Directions. Along with regular set of features any astroprocessor has to implement, PDExplorer considers celestial body's oblique and in mundo longitude. These parameters are of some interest in primary direction analysis, though they are not easy things to calculate. Due to calculation difficulties many astrologers do not use Primary Directions in their practice.


Maitreya is a free software for Vedic and western astrology.

The software supports

  • Many features for the daily work of Vedic and western astrologers.
  • A large number of calculation options that make the program a stable basis for research purposes.
  • High precision calculation.
  • Several platforms including Windows, Linux and UNIX.

What Watch Astrology program

What Watch is a powerful tool that covers many areas and techniques of astrology. Its purpose is to get quick access to relevant information and displaying it in a concise and no-nonsense way: Keep it simple while providing all that is necessary. What Watch assumes that you're already familiar with some basics of astrology, and has an extensive tutorial explaining how to use the astrological techniques implemented here. My view on the foundations of astrology is also explained on this website.

Ryial calculation software

RIYAL calculates astronomical positions and a wide variety of astrological measurements for the following bodies:

- Sun, Moon, and planets.
- named centaurs and transneptunians
- unnamed centaurs observed at 2 or more oppositions
- damoclians and oortoids with accurately determined orbits
- long-range scattered-disk objects observed at 2 or more oppositions
- unnamed transneptunians brighter than absolute magnitude 4.5
- additional list of asteroids selected by the user
- solar system barycenter


StarFisher is a feature-rich astrology program for Microsoft Windows provided free of charge, including the source files.

OS support: Windows Vista, Windows XP, Windows 2000, Windows NT 4.0


Pholos is a freeware astrology program. Its purpose is to reach a sum of capabilities that can help the astrologers, professional or not.

Why another astrology software ?

- Pholos is massively modular. This means it can easily evolve and suit the needs of the users. Users will finally be able to add themselves new functions to Pholos.

Astrolog32 1.34

Astrolog32 is a free and open source Astrology software for Microsoft Windows, with a rich feature set. You are welcome to try it out.

In this site you will find version 1 of Astrolog32 as well as atlas files.
Version 2, created by by Tomáš Kubec, is available at his site in English, French, Italian and Czech.

Astrology for Windows

This hobbyist astrology calculation program is easy to use and very accurate. It includes an atlas with 2700 cities, color U.S., Europe, and World maps, two sharp color wheels including one with graphic aspects, an aspects grid as well as scrollable list, transits list, solar and lunar returns, and biwheels with synastry and current transits displays.

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