Raspberry Pi — RISC OS One Frosted ROM
The RISC OS One ROM for Raspberry Pi, with the new RISC OS One branding. Version 4.09 bundles a HardDisc image and wallpapers.
Downloads
Everything RISC OS One: Frosted ROMs for your machine, the theme and disc image on their own, and browsers with current certificates.
ROMs
Iyonix — RISC OS One Frosted ROM
Soft ROM pack for the Iyonix. Version 4.04 adds new icons for ChangeFSI, Allocate, ChatCube, DataPower, DiscKnight, Maestro, Omni, PrivateEye, SafeStore, SystemDisc and T1ToFont.
iMX6 — RISC OS 5.32 Frosted ROM
Frosted ROM for iMX6 machines, built from the latest RISC OS release and including a HardDisc4 image and wallpaper.
Titanium SoftLoad ROM Pack
Soft-loadable RISC OS One ROM for Titanium, with !Defs, !Fonts and wallpapers, the Sparkplug theme, and Frosted versions of !Store and !PackMan.
Desktop and disc
Frosted Theme for RISC OS 5 (!ThemeDefs)
The Frosted desktop theme as a !ThemeDefs package, with three wallpapers and !Fonts. Merge it with your existing !Boot.
Frosted HardDisc4 Image
A standard HardDisc4 image for Frosted: PackMan, !PlingStore, ChatCube and StrongED, Frosted icons throughout, AcornSSL 1.07 and a complete !System for web browsers.
Internet
NetSurf 3.12 (Frosted, 2026 certificates)
The NetSurf 3.12 development build from the NetSurf test build site, unchanged apart from an updated certificate bundle generated from Mozilla's CA list.
Iris Frosted
The latest !Iris web browser in Frosted style, with a new user agent. Version 1.039v2 updates the banner and interface.
RISC OS !CA Certificates Bundle
A bundle of 122 new root certificates for RISC OS.
Applications
RISC OS Viewer
The first alpha of Viewer, which opens documents and images on RISC OS.
| Filetype | Type | How it draws |
|---|---|---|
&ADF | Native engine | |
| JPEG | &C85 | c/pdfjpg |
| PNG | &B60 | c/pdfpng |
| Draw | &AFF | DrawFile_Render |
| BMP | &69C | c/pdfbmp |
| GIF | &695 | c/pdfgif |
| TIFF | &FF0 | c/pdftiff |
| Photoshop | &1B0 | Flattened composite |
| ArtWorks | &D94 | Native walk to Draw |
| Impression | &BC5 | Text preview |
| Ovation Pro | &B27 | Text preview |
| Ovation | &CDD | Text preview |
| Impression DDF | &D93 | Text preview |
| Ovation Pro DDL | &B25 | Text preview |
| Sprite | &FF9 | SpriteOp 52 |