"Sabily is a free and open source operating system based on the
Ubuntu Linux distribution. One main feature that distinguishes
Sabily from other Ubuntu Linux distribution is that Sabily was
designed by Muslims for Muslims. The Sabily open source operating
system offers Islamic software such as Islamic prayer time
applications (minbar, firefox-praytimes), a Qur'an study tool
(zekr) and a Web content filtering utility (webstrict) and an
Islamic calendar (hijra).
"In May, 2011, the Sabily team released Sabily 11.04, codename
Al-Badr. Sabily was formerly Ubuntu Muslim Edition."