The open source astrology program openastro.org. Features:

 * Natal/Radix Charts
 * Transit Charts
 * Synastry/Combine/Composite Charts
 * Solar Return / Secondary Progressions
 * Customizeable Planets & Aspects
 * Additional celestial bodies: Chiron, Pholus, Ceres, Pallas, Juno, Vesta
 * Fictional points: North/South Node, Day/Night Pars
 * Cusp Aspects
 * Monthly Timeline
 * European and Traditional chart view
 * Online Atlas (Geocoder) using google maps (virtually every location)
 * Offline Atlas (Geonames) with about 80.000 major cities!
 * Database export/import, Save as JPG, PNG, SVG, OAC
 * Import from skylendar (*.skif), oroboros (*.xml)
 * Import from astrolog32 (*.dat), zet8 dbase (*.zds)
 * Ephemeris files for 1800 AD - 2400 AD (download seperately)
