| Type | operating system |
|---|---|
| Developer | Acorn Computers |
| Platforms | Acorn Archimedes |
| Successor | RISC OS |
Sources: Wikidata (CC0) · Wikidata Q471172
Operating systems · 1
| Operating system | Developer | First release | License |
|---|---|---|---|
| RISC OS | Acorn Computers, RISCOS Ltd, RISC OS Open, Castle Technology | — | freeware |