| Alan J. Flavell: A physics professor tells about some of the early computers he worked with. |
| BESM-6 Nostalgia Page: Information about the late Soviet mainframe computer BESM-6, the last original was dismantled in 1995. |
| Blinkenlights Archaeological Institute: The Institute was established in 1997 to excavate, preserve, research, and present interesting and historically significant computing devices. |
| Charles Babbage Institute: CBI is a research center dedicated to promoting the study of the history of computing and its impact on society, and preserving relevant documentation. |
| Computer History Association of California: Chac is a nonprofit corporation, who safeguards and organizes the history of electronic computing, not only in California, but nationally and internationally. They collect and archive hardware, software and documents. |
| Cosmac Elf: History of 1802-based computing and home of the TinyELF emulator for Palm OS handhelds. Documents, scans, message board. |
| Enigma Replica: Shows all processes involved Building a replica of the German M4 Naval Enigma. |
| Historical Computer Society: International user group for old computer enthusiasts "old computers" and/or "old enthusiasts. Dedicated to preserving older and classic computer hardware, software, and literature. |
| Ian's 'Naff Computer Pics Page': A page with some pictures of Honeywell-Bull mainframes and mini's (DPS-6 and DPS-7) |
| ICL 1900 Series Computers: Information about the ICL 1900 series mainframes from the 1970s, both hardware and software. The George (1S, 2, 3 & 4) series operating systems, Minimop and Maximop. Programming languages and other information. |
| John Elliott: Dedicated to computers and/or operating systems which some might describe as obsolete. |
| Largest Classic Computer Documentation Archive: Thousands of scanned classic computer documents. |
| Mechanical Aids to Calculation: History on the first automatic totalizer by Sir George Julius, mechanical aids to calculation - extracts of a paper presented to the Institution of Engineers Australia in 1920. |
| MIXTEL: Site is dedicated to the first home computer that could be bought in the UK. |
| PC - History: This is a site devoted to the history of the PC, covers all types of personal computers from 1970 to present. |
| Retro Computer Gallery: Collection of pictures of old computers, consoles, handhelds and magazines. |
| Russian Virtual Computer Museum: The gathering of information concerning the primary stage of origination and development of IT and computing, primarily in Russia and ex-USSR. |
| Sos-hardware.windowstothemax.com: Specifications and known problems of old hardware. |
| The Apollo Guidance Computer Project: The Apollo Guidance Computer (AGC) was developed to provide reliable real-time control for the Apollo spacecraft that carried US astronauts to the moon, 1969-1972. This site is devoted to documenting the machines, people and institutions that made this possible. |
| The Burroughs B-205 Computer: A mixture of science fiction and fact concerning the B205. |
| The Computer Closet: Rescues classic microcomputers and video games from the junk heap. |
| The Oldskool PC Shrines: Honoring personal computing in the 1980s. |
| The SWTPC Computer Documentation Repository: Documentation for the SWTPC computer line. |
| Video Genie System: A personal tribute to an early model PC. |
Classical
