| 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. |
| 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. |
| 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. |
| 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. |
| 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. | |
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