Vestos is an approved Rabbinic computer program designed to help calculate personal Taharas Hamishpachah. It was organized by Shlomo Neuhoff and written by Bezalel Drillick, and was reviewed by multiple Rabbis during its development.
Zekr is a free, open source, Quran study software
Calculates Muslim prayer times and Qiblah direction for anywhere in the world
Places bible quotes on the desktop
