Planetarium -- Beautiful Celestial Spheres with aspects, and many choices: Prometheus
Points in Charts -- Maximum number and choices: A tie: Solar Fire (ease and flexibility) and Prometheus (most points)
Points in Predictive Searches -- Most points in Transit and Progressed listings and graphs: Prometheus
Predictive Graphs: Most professional astrology programs have excellent predictive graphs, including: Solar Fire, Janus, Regulus Platinum, Prometheus, Win*Star, and Sirius.
Prometheus has many more options, including interpolated Planetary Stations and more points.
Millennium StarTrax has the best cumulative transit graph: adds all of the + and - events into one graph.
Prenatal Charts -- Solar Fire has the most types of Prenatal Charts.
Sky Search -- Find when planets make aspects, occupy houses or signs, form shapes, etc.: Solar Fire
Theme Maps -- Create accurate theme maps -- where to find love, career, etc.: Janus
Wheel Designer -- Make your own custom chart wheels (Western, Traditional, and Vedic): Janus
Astrology programs and their unique capabilities
(In order of popularity of sales through my website)
It is beyond the scope of this article to list all of the techniques of all of the programs, but the following programs have many unusual features of interest:
Solar Fire -- World Class Power and Ease of Use Aspect Highlighting & Filtering, Multiwheel Superimpostion, Stellarium, Sabian Oracle, multiple Pop-up Charts, powerful Astrologer's Assistant task recorder, page animation, multiple pop-up charts, etc.
Janus -- The Best Program for a full set of Interpretations Octoscope wheel, Midpoint Weighting Analysis, Arabic Lunar Mansions, Planet/Asteroid/Fixed Star catalog, best Eclipse map, Venus Phases, Collection of Light, etc.
Shri Jyoti Star -- The Best Program for Vedic Astrology Phenomenal Page and Screen designers, comprehensive research tools, huge number of tables and graphs, Vedic astromapping and relocation, teaching example charts, time search, and fine rectification tools.
Regulus Platinum -- The Best Program for Huber Astrology Life Scan, Atacirs, Persona Chart, Ascensional Astrology, extensive Hellenistic module, add-on Rectification methods (e.g. Marr), Harmograms and Harmonic flowers, etc.
Prometheus -- Best Predictive Graphs and Range of Points 13 sign Zodiac, Void of Course Moon Report, Astrological Calendar with a huge number of points, Out of Bounds search, Extensive Primary Directions, etc.
AstrolDeluxe Platinum -- Unique sets of interpretations and Aspect Patterns analysis
Degree Strengths, Ebertin Life Diagram, Angles Graph, Vocational Ranking, Hermetic Minor Progressions, and many sets of interpretations, e.g. for the Black Moon Lilith.
Millennium StarTrax -- Great Astronomy Features and Fast Speed of Planets graph, Hoff's Tables, Occultations, Davidson charts for Groups, Planetary Phase aspects, Extensive Chart File Searches, etc.
Note: I do not distribute the following programs:
Sirius -- Advanced natal, synastric, and predictive modeling Compatibility Patterns, extensive Degree Meanings, extensive Asteroid and Fixed Star reports, Lifetime predictive listings, Electional Astrology graph, Music of the Spheres, etc.
Win*Star -- The Best Calendar and Ephemeris Pages Nicest looking Astromaps, Paran points, Stars on maps, A.T. Mann's Lifetime Arcs, Day*Scan, Phase Chart, excellent Day Watch astrology calendar, etc.
ZET -- Stunning Astromaps and Powerful Search language Septa-Wheels, Embolismic Lunations, Persian Directions, Condensations Rectification method, House Table for 28 house systems, Cosmos module, Beautiful Astromaps, etc.
What about programs for the Mac?
There are only a couple of astrology programs written for the Mac, Astro Gold for the Mac (which can read Solar Fire files) and TimePassages. Click on the links to learn more about each.
In about six months (hopefully before or by Summer 2020), Solar Fire should become available for the Mac. If you wish to be kept apprised of its development, email me.
Learn more about programs
You can get free demo versions of many astrology programs here, and you can click on any of the names below to go to my websites or web pages devoted to each program: