RISC OS Open

RISC OS  OPEN


A fast and easily customised operating system for devices using ARM processor cores.

Contact us

By e-mail

Please send general messages to info@riscosopen.org. If you have a comment or question about this web site in particular, please direct it to webmaster@riscosopen.org.

By post

You can reach us at our registered office:

RISC OS Open Ltd.
Sovereign House
22 Shelley Road
Worthing
West Sussex
BN11 1TU

Corporate details

RISC OS Open Limited is a company registered in England and Wales with company number 5852060.

More information

More information about RISC OS Open Limited can be found here.

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Commercial use

For commercial enquiries, please contact the owners of RISC OS, Castle Technology Ltd.

ROOL Store

The official C/C++ Development kit and more here.

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