libitl is a library that allows applications to convert between Hijri and Gregorian dates and to compute Muslim prayer times and Qibla direction based on multiple methods of calculation. It is part of the Islamic Tools and Libraries project (ITL).
Oroboros is an astrology application. It is based
on the Swiss Ephemeris (pyswisseph) for planetary
calculations, the Olson timezone database (pytz)
for date and time resolution, and the Qt4 toolkit
(PyQt4) for the graphical user interface.