Blastzone's RISC OS Tutorial - The 3-button mouse, desktop, task manager, filer and applications are covered as well as a glossary. - http://www.blastzone.demon.co.uk/rot/
comp.sys.acorn FAQ List - Frequently Asked Questions (with answers) of the comp.sys.acorn.* newsgroups. - http://www.vigay.com/csafaq/index.html
ANT Support - Application notes - Details the URL broadcast mechanism, DNS resolver, SWI interface, MIME encoding of files, mapping between file types, and the plug-in protocol. Includes source code to example programs, list of registered URLs, compatible applications, filetypes and icons - http://www.vigay.com/inet/index.html
Ccdoc - Tool that generates HTML documentations from C/C++ header files. - http://www.arcsite.de/hp/ccdoc/
Acorn/RISC OS machines - Untechnical history of Acorn machines, and an up to date look at where RISC OS machines are today. - http://homepages.caverock.net.nz/~monster/mercuters/riscos.html
ARM Assembler Programming - A series of articles on assembler programming on the ARM, by Richard Murray. - http://www.heyrick.co.uk/assembler/
E-Format Map explanation and FAQ - The details of the E disc format, in a form that isn't overly technical, by Sergio Monesi. - http://www.monesi.com/sergio/mapexpl.html
USENET FAQs - General Acorn and RISC OS information, games FAQ, networking FAQ, and Acorn FTP and mail server archives information. - http://www.faqs.org/faqs/acorn/