AIR Software
Large selection of professional astrological software, including horary/electional, financial, and research programs.

Astro App
Online calculations, rectifications, multifunctional application, astro web tools, and more.

Astro-Dienst
Wide variety of astrological information, articles, data, software, online calculations, etc. Developers of the Swiss Ephemeris software, keepers of the Astro-Databank data collection, and more.

Astro-Vision
Comprehensive selection of commercial and free astrology software, primarily Vedic.

AstroApp
AstroApp is the first web-based professional astrology software. AstroApp contains all the features of advanced astrology software and it is available in the cloud. You don’t have to worry about backups, patches, installation, upgrades or about your computer configuration. All you need to run AstroApp is passion for astrology and your web browser!

AstroGraph Software
TimePassages astrology calculation software, for Windows and Mac.

Astrolabe
Astrology software programs, reports, reference books, astrological calculations, gifts and services. Established 1979.

Astrolog 6.20
Astrolog 6.20 is a 100% freeware astrology program, with versions for Windows, Unix, the Macintosh, and the complete source code is available, too.

Astrological Bureau of Ideas
The home of Intrepid astrological software and Self-Evident Astrology (tm). The basic principle of Self-Evident Astrology can be summed up by the phrase "The planets mean what they are and they are what they mean."

Astrology Software: The Ultimate Guide, by Hank Friedman
Hank Friedman has been evaluating and reviewing astrological software for over 35 years. Here is his comprehensive guide to what's out there, what it does, and will it work for you. As a bonus, you can buy most of the software directly through him for no extra charge and at a discounted price.

astrologygenx
We are developers of astrology softwares. Recently we have developed a new astrology software and named it "SARANSH" for India and "PAUL" for out of India clients . It gives answer to any question, which a person can ask to an astrologer.

AstroTheme
Online chart calculations, planetary positions, ephemerides, and more.

AstroWin (Allen Edwall)
This website contains free astrology programs for all interested persons. Astro123 allows you to generate natal and synastry (relationship) chart reports for your family and friends. Vocation helps with vocational astrology. AstroWin has tons of calculations such as progressions, transits, solar and lunar returns, astro-locality, and much more. Several programs contain source code so you may develop your own astrology programs. Plus online calculators, web widgets, etc.

Cosmic Patterns
Developers of the comprehensive Kepler software program, along with numerous other calculation and reporting programs.

CurrentPlanetaryPositions.com
See the current positions of the planets, along with a custom calculation page where you can specify planets, asteroids, zodiac, etc.

Halloran Software
Variety of astrological software for all levels, from beginner to professional.

Matrix Software
One of the oldest astrological software companies in existence, with a vast selection of calculation and reporting software.

Time Cycles Research
A wide variety of calculation, research, interpretation, and other astrology software for the Mac OSX.