The Association for History and Computing - An international organization which aims to promote and develop interest in the use of computers in all types of historical study at every level, in both teaching and research. - http://odur.let.rug.nl/ahc/
Silicon Valley to Internet Valley - In San Francisco Bay Area; background, history, future: trends, forecasts. - http://netvalley.com/introduction.html
Ancient Computer Community - Private collection of computers, calculators, consoles, books, reviews; many rarities; also available for exhibitions and events. - http://www.ancientcomputer.com/
Computer History - Articles and photos on many topics; user submitted content with Wiki-style editing for registered users; photo gallery, forum, feedback. - http://www.computernostalgia.net/
National Archive for the History of Computing - Houses the UK's most important collection of documents relating to the history of computing, and encourages interest and study in the history of computing more generally. - http://www.chstm.man.ac.uk/nahc/
The Modern History of Computing - Historical survey from Babbage onward; by B. Jack Copeland from the Stanford Encyclopedia of Philosophy. - http://plato.stanford.edu/entries/computing-history/
Computer History Museum - Focuses exclusively on the history of computing. Located in Mountain View, California. Search the collection, illustrated timeline, online exhibits and select images from the collection, "This Day in History," curator's choice, and the Hall - http://computerhistory.org
Tools For Thought - by Howard Rheingold. Online copy of well known 1985 book on the invention of computing; includes Babbage, Turing, von Neumann, Engelbart, PARC, Kay, and Atari. - http://www.rheingold.com/texts/tft/
Reflections of a ModemJunkie - Writings on computers, the early online world, and the Internet, dating from 1992 to 2000. - http://www.lgrossman.com/mjnk/
The History of Computing - Detailed information including early pioneers and companies, archives, languages, and networking from the Department of Computer Science at Virginia Tech. - http://ei.cs.vt.edu/~history/
Jargon File Resources - The Jargon File (AKA, _The New Hacker's Dictionary_) is an essential repository of computer historical information. - http://catb.org/~esr/jargon/
The Obsolete Technology Website - Pictures, documents, and advertisements of classic computers from the 1970's and 1980's. - http://oldcomputers.net
Punched Cards - Covers the earliest ways of encoding data up to the cards used in voting systems today. - http://www.cs.uiowa.edu/~jones/cards/index.html
The History of Computing Science: From the Past to the Present - Lecture presented by Michelle A. Hoyle explaining how computers and computing science arose from using sticks with notches for counting, to the massive explosion of personal computers in the 1980s. - http://lecture.eingang.org/
Museum of the USSR Computers History - A virtual museum containing historical information on computers and computer facilities in the USSR. Includes descriptions of computers, their characteristics, pictures, and personalities. - http://www.bashedu.ru/konkurs/tarhov/english/index_e.htm
The History of Computing Project - Offers a detailed timeline on the history of computer. Sections include hardware, software, pioneers and references. - http://www.thocp.net
Computer History Images - Pictures of many of the pioneering computers. - http://www.crowl.org/Lawrence/history/
Triumph of the Nerds - Bios, an interactive game, and a Q&A forum trace the birth of the personal computer at this PBS companion site. - http://www.pbs.org/nerds/
History of Computers - A directory of sites about the history of computers arranged categorically and with specific topic and general topic sections. - http://www.hitmill.com/computers/computerhx1.html
Chronology of Personal Computers - Timeline of microcomputers from the development of the microprocessor in the 1960s through to the present day. Includes hardware, software, peripherals, companies, and individuals. - http://www.islandnet.com/~kpolsson/comphist/
Computer History Association of California - Non-profit corporation, safeguards and organizes the history of electronic computing, internationally, nationally, and in California. They collect and archive hardware, software, and documents. - http://www.chac.org/
Charles Babbage Institute (CBI) - A research center at the University of Minnesota dedicated to promoting the study and preservation of the history of computing and information processing. - http://www.cbi.umn.edu/
PC History - This site is under construction but has some nice pictures of some pre-IBM machines. - http://pc-history.org/
Computing Millennium timeline - A project to create the definitive list of the 1,000 key innovations and events in the last 1,000 years of information technology. - http://www.computingnet.co.uk
Computer Industry History - Comprehensive list of links to the best computer industry history resources that can currently be found on the 'Net - http://www.elsop.com/wrc/h_comput.htm