to memorize or use. Windows and Macintosh versions eventually included standard GUI. The command switch interface allows all of Astrolog's features to be accessed from shell scripts or to be invoked by other programs. There are a number of online servers that use Astrolog as a back end to generate charts for the user. External links Astrolog website with version 7.50 References Astrology software Cross-platform free software Free software programmed in C++ Software using the GPL license 1991_software