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Welcome to RISC OS Developments

Formed in 2016, our purpose is to secure the future of RISC OS and its applications through investment and development, and by introducing the system to new markets.

In 2018 RISC OS Developments acquired Castle Technology Ltd and with it the RISC OS Intellectual Property. RISC OS remains under the stewardship of RISC OS Open Ltd.

Richard Brown at the RISC OS Users Group of London (ROUGOL) show on 27 October 2018

RISC OS, the original ARM operating system is available as a fully open source operating system.

RISC OS Developments Ltd
Barling Road
Barling Magna
Great Wakering

Formed in 2016 in order to:
  • provide investment into RISC OS
  • provide development into RISC OS
  • provide development into RISC OS applications
  • bring RISC OS to new markets