RISC OS Open Limited ( ROOL ) manages the source code to RISC OS . We are an organisation run on a largely voluntary basis. We also offer specialist professional services to anyone who is interested in developing products around the Arm architecture or RISC OS. You can find out more information about us here .
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On 20 June 2006 we incorporated RISC OS Open Ltd with one slightly mad ambition: to take a proprietary operating system and open it up to anyone who fancied helping. Twenty years on, that has largely happened, and the RISC OS of today is in far better health than the one we inherited.