Template:RISC OS
{{Navbox
| name = RISC OS
| title = RISC OS
| bodyclass = hlist
|state = {{{state|autocollapse}}}
|above = {{Category-inline|RISC OS software}}
| group1 = Main companies{{smallsup|a}}
| list1 =
| group2 = Hardware
| list2 =
| group3 = Emulation
| list3 =
| group4 = Key software{{smallsup|b}}
| list4 =
| group5 = OS components
| list5 =
| group6 = OS utilities
| list6 =
| group7 = Books
| list7 =
| group8 = Related and historical
| list8 =
- Acorn Computers
- ARM Holdings
- Element 14
- Galileo
- History of RISC OS
- Phoebe
- RISCOS Ltd
- The Electronic Font Foundry
- NCOS
| below =
- {{smallsup|a}} Current companies only
- {{smallsup|b}} Addition of major functionality
}}