Raspbian is an open source operating system based on the award-winning Debian GNU/Linux distribution specifically designed for the Raspberry Pi computer board.
It is an active development with an emphasis on improving the performance and the stability of as many Debian packages as possible.
Raspbian comes pre-installed with plenty of software for education, programming and general use. It has Python, Scratch, Sonic Pi, Java, Mathematica and more.
The distribution is compatible with ARMv6 CPUs and higher.
Raspbian features more than 35,000 packages, pre-compiled software, bundled in a handy format that will allow anyone to easily install it on your Raspberry Pi.