Sinclair
- 21
- The Mad Cumbrian's ZX Spectrum Web Site
- A nostalgic look back at the Spectrum. Also has a collection of games to download.
- 22
- The Sinclair Spectrum
- Home of Philip Kendall's comp.sys.sinclair FAQ, also including a collection of Spectrum ROMs and some utilities.
- 23
- The Speccy Zone
- A miscellaneous collection of information on the ZX Spectrum, including links, quizzes and downloadable files.
- 24
- The Spectrum Hardware Page
- Lists all known peripherals for the ZX Spectrum with details and, in many cases, pictures.
- 29
- Obsolete Computer Museum's ZX-81 Page
- Technical specifications and pictures of the Sinclair ZX81 with comments from other ZX81 owners.
- 30
- Rodney Knaap: Build your own ZX81
- ZX81 hardware website featuring a project for building your own ZX81 with discrete components as well as Wilf Rigter's ZX97. In English, Dutch and German.
- 31
- ZX-TEAM
- An active German Sinclair ZX81 users' group. Site offers information about the Sinclair machines and the group's activities, including news of forthcoming events, in English and German.
- 32
- ZX81 'Caverns' Game - PC Remake
- Author of the original 1980's 'Caverns' game offers a PC remake for download. Includes game history and instructions.
- 34
- ZX81Kit .Com
- A European supplier of the Sinclair ZX81 computer in kit form. Also contains useful information and links, and other ZX81 hardware is available.
- 35
- Small black box of computing desire
- The BBC reminisces about the memory-efficient programming motivated by the 1k ZX81. (March 11, 2011)
- 36
- Sinclair ZX-81 back from the dead
- Tony Smith writes about the availability of ZX81 DIY kits. (October 06, 2000)
- 37
- Your Spectrum Unofficial Archive
- An archive of Your Spectrum magazine, including hundreds of articles and images from all 21 issues of the magazine published between January 1984 and December 1985.
- 38
- The Unofficial CRASH Magazine Web Site
- Online edition of the very first edition of CRASH magazine, originally published in February 1984.