The Harnic Astrology program takes a fully functional and richly detailed Earth-based Astrology Program ("SymSolon") (GNU) and changes the parameters to produce output appropriate for the Harnic Isles and the planet (solar system) of Kethira.
300 years ago the mine complex of Zhakom was taken by a swarm of gargun. Now the old Khuzan roads or the region have become little more than trails through the wilderness.
Several small applications that GM’s might find useful.