ZX81 Virtual Community Contains links, a scanned copy of the ZX81 manual as well as ZXTAPE, a DOS-based utility to transfer ZX81 software from a PC to a ZX81 or tape recorder, and to transfer ZX81 software from tape back to PC. http://www.geocities.com/SiliconValley/Ridge/9965/index.html Geocities.com~Site InfoWhoisTrace RouteRBL Check
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, nn English and German. http://www.zx81.de/ Zx81.de~Site InfoWhoisTrace RouteRBL Check
ZX81 - Planet Sinclair Information, photos and resources for the Sinclair ZX80, including a detailed account of its development extracted from Ian Adamson and Richard Kennedy's book "Sinclair and the Sunrise Technology". http://www.nvg.org/sinclair/computers/zx81/zx81.htm Nvg.org~Site InfoWhoisTrace RouteRBL Check
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. http://www.angelfire.com/ab6/rodneyknaap/ Angelfire.com~Site InfoWhoisTrace RouteRBL Check