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A fast and easily customised operating system for ARM devices
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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 

IconName, date & MD5DescriptionVersionSizeDetails
iconBonus binaries
2021-01-24 06:01:34
82df52f225baafb93c6668af55fb4f1c
Applications and modules of interest to developers. (Work in progress!) Some of these are unfinished or unsupported and only provided for experimental use.-1 MBinfo
iconCreateSEC (self-extracting)
2014-04-24 17:03:20
a10462098a2b60e7c143ddc6781d5220
Self-extracting version of the CreateSEC front end and command line (self-extracting archive creator) tool.1.0334.1 KBinfo
iconSparkFS (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.1.46457.1 KBinfo
iconSystem resources
2021-01-24 06:01:24
0e417323f95885640837c6257de53df8
Distribution of !System for use with pre-RISC OS 5 machines. RISC OS 5 users should just download HardDisc4 as it contains the complete boot sequence.-1.2 MBinfo
iconUnTarBZ2 (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.1.11263.7 KBinfo

Backdrops 

IconName, date & MD5DescriptionVersionSizeDetails
iconBackdrops (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 MBinfo
iconBackdrops (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 MBinfo

Disc based components 

IconName, date & MD5DescriptionVersionSizeDetails
iconHardDisc4
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. The 'System resources' (above) are also required for users with pre-RISC OS 5 machines.5.2812.3 MBinfo
iconHardDisc4 (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. The 'System resources' (above) are also required for users with pre-RISC OS 5 machines.5.2816.7 MBinfo
iconNightly Beta HardDisc4
2021-01-24 06:02:39
9337a7327850590e1f753f5860f4e4b2
RISC OS 5 disc image (zipfile format), including boot sequence and applications. (Work in progress!) The 'System resources' (above) are also required for users with pre-RISC OS 5 machines.-12.2 MBinfo
iconNightly Beta HardDisc4 (self-extracting)
2021-01-24 06:02:11
fd890217da79648b24859efc146c2360
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!) The 'System resources' (above) are also required for users with pre-RISC OS 5 machines.-16.7 MBinfo

Documentation 

IconName, date & MD5DescriptionVersionSizeDetails
iconRISC 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.31.2 MBinfo
iconTechnical 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.3572.3 KBinfo

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