acornusers.org Hosts the Acorn News Service, newsgroup archives, RC5/DES effort, Charity Site and an FTP server for freeware software distribution. http://www.acornusers.org/

ArcSite German portal. Offers news, articles, forum, links and web space. http://www.arcsite.de/

My RISC OS Automated web portal. Add news and reviews, and chat. http://www.myriscos.co.uk/

RISCOS Ltd RISC OS developers - the world's first 32-bit RISC operating system - used in Acorn, Microdigital and RiscStation computers. The site has content for developers, resellers and the public that are interested in using this ROM-based, low-overhead, operating system. http://www.riscos.com/

Select Scheme Yearly subscription to updated versions of RISC OS. http://www.riscos.com/select/

RISCOS.org Portal offering news and articles. It includes a comprehensive software database. http://www.riscos.org/

ANS Filebase Comprehensive categorised database, with version information. http://filebase.acornusers.org/

Acorn User RC5/DES Group Details of the cracking efforts. http://www.acornusers.org/rc5/

RISC OS webring Provides free banner advertising of related websites. http://www.vigay.com/cgi-bin/webring?ring=riscos

Microdigital Ltd Developer and manufacturer of new RISC OS computer workstations. http://www.microdigital.co.uk

Acorn Charity Site Fund-raising efforts. http://www.acornusers.org/charity-projects/

RISC OS Projects Initiative Highlights new ideas for programs or projects, or those that might need assistance. http://initiative.chocky.org/

Nutshells Categorized and cross-referenced database of shareware/freeware and software authors, with a broader database of companies and information. http://nutshells.anjackson.net/

RISC OS 3 Knowledge Base Official site providing support for earlier versions of the operating system. http://acorn.riscos.com

Castle Technology Owner of the RISC OS copyright, they also manufacture, distribute and develop of Acorn Computers, as well as the acclaimed new Iyonix PC. http://www.iyonix.com/castle/

VirtualAcorn The fully-functional RISC OS emulator for Windows-powered computers. http://www.virtualacorn.co.uk/

The MSX Files Dedicated to rare games. News, cheat codes, web board (for requests) and mailing list. http://sites.uol.com.br/msxfiles/index2.htm