Welcome

Who are RISC OS Open Limited?

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 professional services to anyone who is interested in developing commercial products using RISC OS. You can find out more information about us here.

What is RISC OS?

RISC OS is a computer operating system designed in Cambridge, England by Acorn. First released in 1987, its origins can be traced back to the original team that developed the ARM microprocessor. RISC OS is owned by Castle Technology Ltd. You can find out more at sites such as riscos.info, The Icon Bar, My RISC OS and RISCOSitory.

Latest news: Headlines

• ROOL Christmas break (19-Dec-2011)
• Bug tracker temporarily offline (18-Nov-2011)
• USB sticks available from ROOL site (01-Nov-2011)
• Changes to the Bounty scheme (01-Nov-2011)

Recent changes in CVS

• ROOL CVS: Swap round syntax and help tokens for *DISMOUNT (03-Feb-2012)
• ROOL CVS: Supress the warning during an export phase. (03-Feb-2012)
• ROOL CVS: Change to use CModule shared makefile. (02-Feb-2012)
• ROOL CVS: Change to use CModule shared makefile. (02-Feb-2012)