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 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.

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 RISC OS Developments Ltd. You can find out more at sites such as RISC OS Blog, riscos.info, The Icon Bar and RISCOSitory.

If you are new to RISC OS, you might want to look at the introductory pages in our wiki here.

Latest news

• Connecting with the 21st century (26-Apr-2019)
• Another bounty gets under way for 2019 (13-Jan-2019)
• Bounty matching target success! (06-Jan-2019)
• Raspberry Pi 3 Model A+ on sale now (15-Nov-2018)

Recent changes in GitLab

• ROOL pushed to branch master in Titanium – 1 changed component (14-May-2019)
• Ben Avison accepted merge request Add Makefile in Demo (12-May-2019)
• Ben Avison pushed to branch master in Demo – Add Makefile (12-May-2019)
• ROOL pushed to branch master in Tungsten – 1 changed component (11-May-2019)