Astrology charts and interpretations software, shareware and freeware
Charts and interpretation software:
Astroscan 1.6 - This is an astrology software with unique graphical views and analysis. Powerful, yet easy to use, it features comprehensive natal, transit, and synastry charts; increments with animation; a graphical HTML report; an atlas with more than 4,000 cities around the world; DST tables; hundreds of celebrity charts; aspect and chart patterns; and so on. Some knowledge of astrology is encouraged.
Astrowin - Free software to create astrology charts, with source code by Allen Edwall.
Astrolog.org - Free chart creation software by Walter Pullen, with source code
Cosmic patterns - Free Astrology program from Cosmic patterns