from wikipedia:
This is a list of operating system s that have been, or are being, Porting|ported to Raspberry Pi.
* '''Full OS:'''
** AROS
** GEORGE (operating system)#GEORGE 3 .26 4|GEORGE 3 - within an [
http://sw.ccs.bcs.org/CCs/g3/g3pi.htm emulator].
** Haiku (operating system)|Haiku {{cite web|title=Haiku Raspberry Pi commits|url=
http://cgit.haiku-os.org/haiku/log/?qt=grep&q=rpi}}
** Linux
*** Android (operating system)|Android
**** Android 2.3 (Gingerbread)<ref name="Android 2.3 on the Raspberry Pi">[
http://androidpi.wikia.com/wiki/Android_Pi_Wiki Android 2.3 on the Raspberry Pi]
**** Android 4.0 (Ice Cream Sandwich)
*** Arch Linux ARM
*** Bodhi Linux#R Pi Bodhi Linux|R_Pi Bodhi Linux {{cite web|title=Bodhi Linux for Raspberry Pi!|url=
http://bodhilinux.com/downloads_mobile.php}}
*** Debian ARM architecture ports, but not the Debian ARMhf architecture ports (introduced with Debian 7 Wheezy), since these are compiled for ARMv7 and the Raspberry Pi CPU is ARMv6
**** Raspbian {{cite web|title=Raspbian – Debian optimized for the Raspberry Pi hardware|url=
http://www.raspbian.org/}} (Debian 7 Wheezy ARMhf backported for ARMv6)
*** Firefox OS
*** Puppy Linux {{cite web|url=
http://puppylinux.org/wikka/ARM |title=ARM |publisher=PuppyLinux |date=2013-05-29 |accessdate=2013-08-12}}
*** Gentoo Linux {{cite web|title=Gentoo for the Raspberry Pi!|url=
http://intelminer.com/blog/?p=18}}
*** Google Chromium OS
*** PiBang Linux{{cite web|title=Inspired by CrunchBang Linux, and based on Raspbian. Features the Openbox desktop environment|url=
http://www.pibanglinux.org/}}
*** Raspberry Pi Fedora (operating system)|Fedora Remix
*** Slackware ARM (formerly ARMedslack)
*** QtonPi a cross-platform application framework based Linux distribution based on the Qt (framework)|Qt framework
*** Open webOS|WebOS
**** Open webOS {{cite web|title=Open WebOS on a Raspberry Pi!|url=
http://www.raspberrypi.org/archives/tag/open-webos}}
** Plan 9 from Bell Labs {{cite web|title=9pi |url=
http://9fans.net/archive/2012/08/129 |publisher=9fans.net mail archive |author=Richard Miller |date=Auguest 18, 2012}} {{cite web |url=
http://www.raspberrypi.org/archives/2665 Plan 9 announcement |title=Wednesday grab bag |at=See the "Plan 9" section |author=Liz |publisher=Raspberry Pi Foundation |date=December 5, 2012}}
** RISC OS
** Unix
*** FreeBSD {{cite web|title=FreeBSD – Raspberry Pi|url=
http://kernelnomicon.org/?p=275}}
*** NetBSD title=NetBSD – Raspberry Pi|url=
http://mail-index.netbsd.org/port-arm/2 ... 01367.html}} {{cite news|title=NetBSD 6.0 released with initial Raspberry Pi support|url=
http://www.h-online.com/open/news/item/ ... essdate=18 October 2012|newspaper=The H|date=18 October 2012}}
* '''Multi-purpose light distributions:'''
** Moebius operating system, a light ARM HF distribution based on Debian. It uses Raspbian repository, but it fits in a 1 GB SD card. It has just minimal services and its memory usage is optimized to keep a small footprint.
** Minibian, another light ARM HF distribution based on Raspbian repository.
** OpenWrt|OpenWrt "Attitude Adjustment" 12.09
** Squeezed Arm Puppy, a version of Puppy Linux (Puppi) for the ARMv6 (sap6) specifically for the Raspberry Pi.{{cite web|url=
http://puppylinux.org/wikka/Puppi |title=squeezed ARM puppi |publisher=Puppylinux.org |date=2012-09-24 |accessdate=2012-10-15}}
* '''Single-purpose light distributions:'''
** IPFire
** OpenELEC
** Raspbmc
** Raspbian#XBian|XBian
** RasPlex
** Raspberry Digital signage, former Instant WebKiosk for Raspberry Pi, a browser-only distribution based on Raspbian for digital signage purposes.