| 4Mation Educational Resources: Lists literacy products, early year products, maths products and history products. |
| 7th software: Design house and consultancy for all ARM-related software. |
| Abacus Training: Formally Colton Software. |
| Aleph One: Makers of the PC card. |
| Angelsoft: Educational software developer. |
| ARMWARE: Custom RISC solutions. This company specialises in solving technical problems. This usually includes designing and building hardware and software to fulfill some specific need. |
| Artex Software: Games developer. |
| Aspex Software: Developers of educational computer software for schools. |
| Avie Home Page: Hard drive brackets and custom written software for the RISC PC. |
| BASS Software: Freelance developers of the WIMP version of Zarch, the RISC OS version of CVS and Filetree. |
| Borcherds: BBC and Spectrum Emulators and Dynamic Geometry for RISC OS |
| Castle Technology: Castle sell a wide range of hardware and peripherals for the RiscPC. From monitors to harddiscs, including CD towers, modems, and memory. Castle are the official distributor of Acorn desktop products. |
| Circle Software: All Circle titles are now controlled by CJE Micros. |
| Clic: Educational Software developer, for English and Welsh languages. |
| Co-Comp: Turn-Key internet, computing and business solutions developer. |
| Dalriada Data Technology: Developers of Desktop Publishing utilities for RISC OS. |
| David Pilling Software: Developer of a huge range of software, including Ovation Pro, and Twain. |
| David Snell's Home Page: Developer of CAD software. |
| Digital Phenomena: Software developer. |
| DW-WG: Developers of Flight Simulators. |
| Eesox: Sells CD-ROMS, SCSI cards, CD mastering solutions, and DVD drives. |
| EnVision Software: Resources and software products. |
| ExpLAN Computers Ltd: Makers of HolyBible and FuzzySheet. |
| Expressive Software Products: ESP specialises in Music software and hardware for PC, Mac and Acorn. Their aim is to make music more accessible using technology as a tool. |
| Expressive Software Projects: MIDI and music specialists. |
| Feldner and Braun Software GdbR: Product descriptions, download of free programs, updates for their programs and German version of Tech/Easi Writer. |
| Fortran Friends: A page where it is possible to buy Acorns Fortran77 compiler for RISC OS. |
| H.S.Software: Educational software developers. |
| Icon Technology Ltd: Authors of the popular word processing and desktop publishing suite Writer, EasiWriter, TechWriter and TalkWrite. |
| Image Software: RISC OS software and POSum EPOS Systems. |
| Intellegit: Specialise in the supply of internet and network solutions. |
| Intelligent Interfaces: manufacturers of precision scientific interfaces for acorn RISC OS computers. Also, Fortran77 compiler. |
| Iota Software Ltd: Products include The Complete Animator and DataPower. |
| iSV Products: Software developer. |
| Jonathan Duddington: Developer of Speak and Pluto. |
| Kasoft Software: Software developer for RISC OS and JVM. |
| Liquid Silicon: Liquid Silicon's Dealer WWW site for Acorn related products. Includes a full product/price list of Acorn related hardware and software |
| Little Yellow Moon: Developers of freeware desktop games. |
| Logotron Educational Software: The UK's largest publisher of educational software. Free software, a complete catalogue and resources here! |
| Micro Librarian Systems: Developers of in library-automation software aimed at primary and secondary schools, for both the RISC OS and Windows platforms. |
| Millipede Electronic Graphics: Design and manufacture broadcast video plug-in boards, analogue and CCIR601 serial digital, PAL and NTSC. Chipsets provide advanced processing features, such as real-time Alpha channel windowing. |
| MW Software: Prolific developer of Artworks modules. Site also contains other useful utilities. |
| Octopus Systems: Software developer and computer consultancy in Ipswich, Suffolk, UK. Acorn computer dealers. Products include Teletext, Caller Display and Lindos LA100 Audio Test Software. |
| Oregan Developments: Specialise in producing software and hardware solutions for the Internet Television market. |
| Partis Computing: Developers and suppliers of Power-tec products. |
| Pennine Software: Consultancy situated in rural Teeside. |
| Pineapple Software: Developers of the VKiller software package, suppliers of parallel to SCSI adapters, colour scanners, VGA to APL TV converter, Studio24 and many other products. |
| Quantum Software: Software developer. |
| R-Comp Web Site: R-Comp - Developers of Acorn RISC OS Products Including many Games and Internet Related programs. |
| Room 20 Software: Educational software developer. |
| Sherston Software: Leading educational software for RISC OS, PC and Mac. |
| Simtec Electronics: Specialise in memory upgrades. Also, IDE cards, and motherboards. |
| Softease: Information about the popular multi-platform Textease desktop processing package. |
| StrongArm Systems: Develop software for exercising your brain. Initially for people recovering from the effects of head injury, but has found a much wider audience. |
| Stuart Tyrrell Developments: Hardware (PS2 mice, touchpads and printer switchboxes, joysticks) and custom development for the RISC OS platform. |
| Surftec Ltd: Developers of RISC OS hardware are software products. |
| TAG Developments Ltd: Educational technology specialists. |
| Tematic: Design and license ARM-based systems, from initial concept to production. |
| The Electronic Font Foundry: EFF Acorn Type Library contains over 1,300 RISC OS fonts which support over 60 languages. |
| The Fourth Dimension: Hardware and software developers, including games, OCR pens and graphics tablets. |
| Tortoisesoft Enterprises: RISC OS computing solutions. |
| Wardlaw Surveys: Civil Engineering software developers. |
| Windfall Engineering: Hardware and software developer. |
| X-Ample Technology bv: Produce Teleprompters and other video media devices. |
| Yellowstone: Manufacturers of acorn peripherals including a TV card, Mozart, and an IDE card. |
| Zenta Multimedia: Developers of RISC OS software and CD collections. |
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