Sinclair Computers

• ZX Spectrum

• Emulators@

• Planet Sinclair  - Online Sinclair-related archive featuring information on and images of Sinclair computers, calculators, televisions, vehicles, and audio hardware.
• QL Users and Tinkerers Association (QUANTA)  - Independent Sinclair QL users group. Site posts news, event dates, members resources, and information on subgroups.
• Sinclair ZX81 Collection  - Virtual showcase of original Sinclair ZX81 hardware, software, and related books and accessories.
• SUMO  - Presents archived copies of the Sinclair User, a Sinclair-centered magazine published from April 1982 through to April 1993.
• Timex Sinclair 2068  - Presents Sinclair software, technical specifications, notes, peripherals, and code and programming details.
• Your Sinclair Rock 'n' Roll Years  - Magazine dedicated to Sinclair computers offering issue archives, documentary, guides, photo gallery, and resource links.
• ZX81Kit.com  - Site dedicated to Sinclair ZX81 computer hardware and software. With photos, articles, instructions, and online manual.