Acorn-related resources

Forums and User Groups

• BigBenClub - Dutch association of Acorn and RiscOS users
• Retro-Kit
• StarDot - a vibrant community focused on hardware, software and repair/preservation of Acorn machines

Hardware

• BeebMaster - mostly Econet and storage
• BooBip - nice sideways RAM / ROM kits
• CJEmicro - pricey, but has a lot of Acorn-related items
• RetroClinic - I got my refurbished BBC and Master from Mark, excellent service

Software and documentation

• 8-Bit Software - The BBC and Master Computer Public Domain Library, including manuals
• The BBC Micro ROM Library - a great resource by TobyLobster for identifying and finding all ROM-based software ever released.
• The Complete BBC Micro Games Archive - old and new games, downloadable and playable in your webbrowser
• FlaxCottage Educational Software Archive
• mdfs.net - Software and documentation
• MMBExplorer - multi-platform MMB disk collections manager for Acorn Computers 8-bit systems (my local copies of v.1.3.1 for Windows and macOS)
• Retro Software - Homebrew games publisher