Altair 8800
Altair, Ed Roberts Interview, MITS Altair 8800, MITS/Pertec Altair 8800/680b/MITS 300, The First PCs, The SIMH Altair 8800 Z80 simulator
Colossus
Bletchley Park Museum : Lorenz Cipher Machine, Colossal contribution to the war effort, Colossus at Bletchley Park, How a Computer saved the world, IEEE Computer Society: Colossus, Nationmaster Encyclopedia: Colossus computer, Project X: The Colossus Rebuild Project., Take a Tour of Bletchley Park
DEC
18-bit, 36-bit, PDP-11, Aaron's LINC, PDP-8 and PDP-12 Page, Classic Computer Document Archive, Classic Computing Mailing List, Digital Computer Collection and Info, Doug Jones's DEC PDP-8 Index, Highgate's PDP-8 Page, Online PDP-8, PDP-8 , PDP-15, PDP-1 Computer Restoration Informa
General History
A Brief History of Computer Technology, Digitalmuseums, History of Computers, History of Computing Information, The Home Computer Hall of Fame
IBM
All about the IBM 1130 Computing System, IBM 1620, IBM Advanced Computing Systems, IBM Stretch, Lawrence Wilkinson's IBM 360/30 Saga.
Retrocomputing
Apollo Domain OS, Blue-Print Retro Collection, ECCOLine, Eric Smith's Retrocomputing page, Erik S. Klein's Vintage Computer Collection, FLEX User Group, Garbage Dump Computing, James the Animal Tamer's Emulators, Lee's Peek n Poke UK, Mattel Aquarius Homecomputer
Tandy
Cloud-9 Color Computer Hardware, Club 100, GCC for the TRS-80 CoCo, James Dessart's CoCo 3 page, Nickolas Marentes Color Computer Workshop, Online Vintage Computer Magazine, Sock Master's CoCo Home Page, System 80 Support Site, Tandy 1000 SX, The Tandy 1000 Webring
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.
Block I Apollo Guidance Computer Replica
Full details of a successful project to build a working reproduction of the 1964 prototype for the Block I Apollo Guidance Computer.
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.
Classic 8-Bit Computers
Documentation and technical information for 8-bit home computer systems.
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.
Development Of Digital Computers
Trace out the brief of what led to the invention and developments of Digital computers.
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 SWTPC Computer Documentation Repository
Documentation for the SWTPC computer line.
Unisys History Newsletter
Information and links to computer history.