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RISC OS is the superbly efficient operating system designed in the 1980's by Acorn Computers, and its latest incarnation is used by thousands of people around the world. However, many may never have even heard of RISC OS - so if you're one of them, you've come to the right place.
Pre-dating both Windows and Mac OS to use a task bar or 'Dock', RISC OS includes many revolutionary features which are only just being copied by other systems. Its anti-aliased font technology is still the envy of the computer world and its drag 'n' drop, stackable windows GUI, flexibility and ease of use make it arguably the most productive computer system in the world today.
Thousands of applications and utilities are available, often developed by small companies and individual users, mean that you should be able to find software on RISC OS to cater for all your computing requirements. It is hoped that new developers will come on board to help promote and enhance RISC OS even more.
RISCOS.org seeks to not only introduce newcomers and experts alike to this wonderful system, but to act as a resource centre and help forum for existing users around the world. Our software database is probably the most comprehensive repository of RISC OS links anywhere on the internet, and we update it frequently with new releases.
News Headlines from the RISC OS world
[27th Oct 2008] Latest Intel chips still can't match ARM for power saving - Intel issued a "correction" Thursday regarding comments one of its executives made earlier this week slamming the iPhone as incapable of working correctly with the internet.
Among other things, the executives accused ARM chips of being unable to "handle the internet" and singled out the iPhone as an example of a smart phone that could be really great if it used one of Intel's low-power x86 architecture processors, known as Atom.
More Info: Silicon.com- [12th Oct 2008] Major new RISC OS application in development - Long-term RISC OS devotee Paul Vigay has recently announced a new application he's currently working on. With a development version to be demonstrated at the forthcoming RISC OS SE Show, WebAnim8r is a powerful and comprehensive application for creating animations and graphics suitable for including on websites and presentations.
A flexible built-in scripting language allows the user to create complex designs with the aid of simple keywords, or fall back on the intuitive user interface.
More Info: WebAnim8r homepage - [27th Sep 2008] End of the line for Iyonix - From 30th September it will no longer be possible to purchase an Iyonix computer. After 15 years of business, Jack Lillingston and John Ballance would like to thank all their customers for their support. There are still limited supplies of Iyonix computers available, so order one now as remaining stock is available on a first come, first served basis. From 1st October, support for the Iyonix will continue through the Iyonix dealer network, website and email.
More Info: Full press release
News Headlines from other RISC OS Portals
csa.announce
Some news summaries maybe truncated. This is a limitation with GoogleGroups RSS feed and beyond our control unfortunately.
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August 2025 Rougol report - Mark Moxon
The August 2025 talk featured the welcome return of Mark Moxon, who last spoke in November 2022.
The August 2025 talk featured the welcome return of Mark Moxon, who last spoke in November 2022.
Rougol August 2025 meeting on monday - Mark Moxon returns
The August 2025 Rougol meeting is on Monday 18th August. It sees the welcome return of Mark Moxon
The August 2025 Rougol meeting is on Monday 18th August. It sees the welcome return of Mark Moxon
Iris updated to 1.37
There is a new version of Iris with lots of new features and bug fixes. So let's dive in...
There is a new version of Iris with lots of new features and bug fixes. So let's dive in...
August developer 'fireside' chat on saturday night
The next 'fireside' chat of 2025 is on 9th August (this saturday). 7:30pm UK time kick-off and the event is on Zoom. As always, stay for as long or as short a time as you like.
The next 'fireside' chat of 2025 is on 9th August (this saturday). 7:30pm UK time kick-off and the event is on Zoom. As always, stay for as long or as short a time as you like.
WROCC August 2025 meeting - Chris Hughes
Wakefield's August speaker was Chris Hughes, telling us all about some RISC OS software he uses.
Wakefield's August speaker was Chris Hughes, telling us all about some RISC OS software he uses.
RISC OS Open
Streaming Video in 1994?
In 1994, Acorn Computers, through its Online Media division, played a central role in one of the earliest practical demonstrations of video-on-demand over a broadband network. The Cambridge (UK) Digital Interactive Television Trial, developed in collaboration with Anglia Television, Cambridge Cable (now Virgin Media), and Advanced Telecommunication Modules Ltd (ATML), anticipated many of the features that would later become standard in streaming media.
In 1994, Acorn Computers, through its Online Media division, played a central role in one of the earliest practical demonstrations of video-on-demand over a broadband network. The Cambridge (UK) Digital Interactive Television Trial, developed in collaboration with Anglia Television, Cambridge Cable (now Virgin Media), and Advanced Telecommunication Modules Ltd (ATML), anticipated many of the features that would later become standard in streaming media.
Pi memory freed from its 32 bit shackles
The period between stable releases is the perfect time to try out some experimental changes to RISC OS. If you’ve bought one of the top-of-the-range Raspberry Pi 4’s with 4GB or 8GB of RAM the good news is that that extra memory can now be unlocked by dropping the Beta RPi ROM (8GB Support) onto your SD card.
The period between stable releases is the perfect time to try out some experimental changes to RISC OS. If you’ve bought one of the top-of-the-range Raspberry Pi 4’s with 4GB or 8GB of RAM the good news is that that extra memory can now be unlocked by dropping the Beta RPi ROM (8GB Support) onto your SD card.
Moonshots Rocket is Fuelling Up
Back in March the Moonshots Initiative outlined an ambitious plan to migrate the source code of RISC OS away from hand crafted assembler to reach a 64-bit destination before all the 32-bit chips run out. Already the initiative has generated a number of people asking to be involved, promising leads in the areas of focus, and we’re grateful to have received some financial donations from the community already.
Back in March the Moonshots Initiative outlined an ambitious plan to migrate the source code of RISC OS away from hand crafted assembler to reach a 64-bit destination before all the 32-bit chips run out. Already the initiative has generated a number of people asking to be involved, promising leads in the areas of focus, and we’re grateful to have received some financial donations from the community already.
Set sail for the RISC OS eXperience
Why not pop along to the Big Ben Club’s annual day in the Netherlands?The show is on the 10th May 2025 from 10am to 4pm and is located in Koog aan de Zann. It’s easy to reach being only a short distance north of Amsterdam by car, public transport, or even by bicycle.RISC OS Open will be travelling to the Netherlands, equivalent to 0.106% of the distance to the moon, and expanding on 2022’s theatre topic of the path to 64 bit.
Why not pop along to the Big Ben Club’s annual day in the Netherlands?The show is on the 10th May 2025 from 10am to 4pm and is located in Koog aan de Zann. It’s easy to reach being only a short distance north of Amsterdam by car, public transport, or even by bicycle.RISC OS Open will be travelling to the Netherlands, equivalent to 0.106% of the distance to the moon, and expanding on 2022’s theatre topic of the path to 64 bit.
"Moonshots" Initiative to Secure the Future of the OS
Cambridge, UK - 28-Mar-2025 - RISC OS Open Limited (ROOL) is calling on the global technology community to support a bold new initiative to secure the long-term future of RISC OS. The company today announced the launch of its Moonshots programme – a strategic shift away from incremental development, towards large-scale engineering efforts aimed at modernising the operating system for next-generation Arm architectures.RISC OS, originally developed alongside the first Arm chips in Cambridge, remains a uniquely simple and efficient desktop operating system. It has found renewed interest in recent years thanks to its availability on the Raspberry Pi and its open-source licensing model. However, the platform now faces an existential challenge.
Cambridge, UK - 28-Mar-2025 - RISC OS Open Limited (ROOL) is calling on the global technology community to support a bold new initiative to secure the long-term future of RISC OS. The company today announced the launch of its Moonshots programme – a strategic shift away from incremental development, towards large-scale engineering efforts aimed at modernising the operating system for next-generation Arm architectures.RISC OS, originally developed alongside the first Arm chips in Cambridge, remains a uniquely simple and efficient desktop operating system. It has found renewed interest in recent years thanks to its availability on the Raspberry Pi and its open-source licensing model. However, the platform now faces an existential challenge.
And maybe of interest....
The Register
Tinker with LLMs in the privacy of your own home using Llama.cpp
Everything you need to know to build, run, serve, optimize and quantize models on your PC
Hands on Training large language models (LLMs) may require millions or even billion of dollars of infrastructure, but the fruits of that labor are often more accessible than you might think. Many recent releases, including Alibaba's Qwen 3 and OpenAI's gpt-oss, can run on even modest PC hardware.Bug bounties: The good, the bad, and the frankly ridiculous ways to do it
For incentives remember the three Fs - finance, fame, and fixing it
feature Thirty years ago, Netscape kicked off the first commercial bug bounty program. Since then, companies large and small have bought into the idea, with mixed results.Search-capable AI agents may cheat on benchmark tests
Data contamination can make models seem more capable than they really are
Researchers with Scale AI have found that search-based AI models may cheat on benchmark tests by fetching the answers directly from online sources rather than deriving those answers through a "reasoning" process.[an error occurred while processing this directive]VirtualBox 7.2 fixes flaky 3D guests and adds Arm-on-Arm support
Oracle-backed FOSS hypervisor a worthy rival to Hyper-V and VMware
hands on VirtualBox 7.2 is here, bringing improved Arm-on-Arm virtualization features and better 3D acceleration support.The Unix Epochalypse might be sooner than you think
Museum boffins find code that crashes in 2037
A stark warning about the upcoming Epochalypse, also known as the "Year 2038 problem," has come from the past, as National Museum Of Computing system restorers have discovered an unsetting issue while working on ancient systems.Stuff.tv Latest Gadgets
27 best cheap Nintendo Switch games 2025
Affordable games to keep you playing all year long
Affordable games to keep you playing all year long
Best Fire Tablet 2025: every Amazon tablet ranked
The best Amazon Fire tablets money can buy
The best Amazon Fire tablets money can buy
Best DACs in 2025 including portable and desktop digital-to-analogue converters
Give your ears a treat with the best DACs that convert digital files to analogue sound waves your ears can hear
Give your ears a treat with the best DACs that convert digital files to analogue sound waves your ears can hear
Apple iPhone 17 preview: everything we know so far about the new iPhone line-up
We're around two weeks away from the expected debut of the iPhone 17 and Pro models. There may also be a super-thin iPhone 17 Air, too
We're around two weeks away from the expected debut of the iPhone 17 and Pro models. There may also be a super-thin iPhone 17 Air, too
The best free iPhone and iPad apps to download today
We've overhauled our list of the best free iOS apps to bring it bang up to date
We've overhauled our list of the best free iOS apps to bring it bang up to date
(external news feeds last updated at 10:30pm and took 3 seconds)
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Recent Articles and What's New at RISCOS.org
- Photodesk Resources - A new section contains additional resources, such as textures and stamps for the popular Photodesk application. (21st Sep 2008)
- Wakefield 2008 - A few photos I took at the Wakefield Show. Unfortunately there aren't many because I didn't manage to get away from the stand during the day. (26th Apr 2008)
- Clip Art - I've just created a new section, containing various clip art files I've created, which are free for people to use. (9th Apr 2008)
- iMachine announcement An archived copy of our 2008 April Fool.... (1st Apr 2008)
- CSA.* FAQ gets revamp and new home I've started giving the CSA.* FAQ a major overhaul, along with moving it to its new home at www.riscos.org/csafaq/ (4th Mar 2008)
- USB speed tests I've created a new page to correlate various USB speed tests. (30th Nov 2007)
- Connecting to Mac OS X 'Leopard' We've recently updated our networking instructions for Apple's latest version of Mac OS X - Leopard. (4th May 2008)
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29th Mar 2011
29th Mar 2011
- Connecting to Mac OS X 'Leopard' We've recently updated our networking instructions for Apple's latest version of Mac OS X - Leopard. (4th May 2008)
