Miscellaneous downloads
These are software resources for RISC OS that work on any RISC OS 5 platform.
There are the standard disc based components (‘HardDisc4 image’) which partner the main operating system, bonus high resolution backdrop images, ancillary software and utilities, plus a selection of published documentation.
Ancillary downloads
| Icon | Name, date & MD5 | Description | Version | Size | Details |
|---|---|---|---|---|---|
 | Bonus binaries 2022-09-22 07:34:49 82d3af9df2370fe2d497886497290de5 | Applications and modules of interest to developers. Some of these are unfinished or unsupported and only provided for experimental use. (Work in progress!) | - | 1.1 MB |  |
 | CreateSEC (self-extracting) 2021-04-12 06:54:38 e74848350076f379628a5e4afd196849 | Self-extracting version of the CreateSEC front end and command line (self-extracting archive creator) tool. | 1.05 | 31.9 KB | |
 | SparkFS (self-extracting) 2020-07-19 06:51:12 1f61a487b05069059f09d60d1ac44faf | Self-extracting, read-only version of the SparkFS application, for accessing the contents of various archive formats. | 1.46 | 457.1 KB | |
| System resources 2022-09-22 07:34:47 a7dd4ce38bc8b7cce4b6f7e4280ad75c | Distribution of !System extension modules for use with pre-RISC OS 5 machines. This must be merged with the main HardDisc4 download (below) as it contains selected modules to update or supplement the ROM operating system. Not required for RISC OS 5; these modules are already provided by default. | - | 1.2 MB | |
 | UnTarBZ2 (self-extracting) 2019-08-23 08:38:35 fb05573d57ae22179a17084512defb88 | Self-extracting version of the UnTarBZ2 front end and command line (archive decompressor and extractor) tool. | 1.11 | 263.7 KB | |
Backdrops
| Icon | Name, date & MD5 | Description | Version | Size | Details |
|---|---|---|---|---|---|
 | Backdrops (emulators) 2011-11-01 17:09:04 a23ab90c8ed336be3df46f43ac341f5c | Extra backdrop JPEG images, to be decompressed by your host operating system and moved into the HostFS folder for accessing under RPCEmu. | - | 209 MB | |
| Backdrops (native) 2011-11-01 17:16:50 9f5b8cb31d4a71f019dba561a5691e47 | Extra backdrop JPEG images, encoded at a much higher JPEG quality than provided in the User Guide examples. This is a SparkFS archive that must be decompressed under RISC OS. | - | 210.7 MB | |
| Backdrops (robot) 2022-06-18 14:20:25 3af81b08d9a3b98a4697668eb835874c | Extra backdrop image produced to coincide with the Pi 400 all-in-one computer. Includes high resolution backdrop image featuring a robot and subtly themed window and iconbar backgrounds. | - | 2 MB | |
Disc based components
| Icon | Name, date & MD5 | Description | Version | Size | Details |
|---|---|---|---|---|---|
| HardDisc4 2020-10-19 11:43:32 931eeb47ab12eebef35c4e0b425e1ec7 | RISC OS 5.28 stable disc image, including boot sequence and applications. See our press release for more information. | 5.28 | 12.3 MB | |
 | HardDisc4 (self-extracting) 2020-10-19 11:44:58 36bd065fa72d681824e24255d94d6fb9 | Self-extracting version of the stable RISC OS 5.28 disc image. Contains the same files as the Zip, but can be decompressed by running it as type 'Utility'. See our press release for more information. | 5.28 | 16.7 MB | |
| Nightly Beta HardDisc4 2022-09-22 07:34:57 93c6c8b8ca75c625d5882079485d494c | RISC OS 5 disc image (zipfile format), including boot sequence and applications. (Work in progress!) | - | 12.3 MB | |
| Nightly Beta HardDisc4 (self-extracting) 2022-09-22 07:34:53 6f1d9d699e0c55eb713cfc08f9452c78 | Self-extracting version of the development RISC OS 5 HardDisc4 download. Contains the same files as the Zip, but can be decompressed by running it as type 'Utility'. (Work in progress!) | - | 16.8 MB | |
Documentation
| Icon | Name, date & MD5 | Description | Version | Size | Details |
|---|---|---|---|---|---|
 | BBC BASIC Reference Manual 2021-02-22 08:19:34 a416d0b56b65efc25ff8c04b10ec059f | Full details on the popular programming language built into RISC OS, with worked examples and every keyword explained. See page ii for terms of use. Also available in print. | 3 | 1.4 MB | |
| RISC OS Style Guide 2016-04-12 20:18:06 8fa724e99d8e74fbffe08fbce3cd3f0f | How to write applications that are a pleasure to use and fit in with the rest of the RISC OS desktop. See page ii for terms of use. Also available in print. | 3 | 1.2 MB | |
| Technical Publications Style Guide 2018-02-22 18:53:08 5fda863ab88c39d36cc93cf7b9b69d30 | The set of rules we follow when writing the books documenting RISC OS for programmers and end users alike. See page ii for terms of use. | 3 | 572.3 KB | |
| User Guide 2020-09-19 10:21:33 38cb8d445d5f2d1ee5e424738fff3106 | RISC OS User Guide. Now published under the Apache 2.0 license. Also available in print. | 5.28 | 10.8 MB | |
