| Computer History Association of California - http://www.chac.org/ A non-profit 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. |
| Computer History Museum - http://www.computerhistory.org/ Focuses exclusively on the history of computing. Located in Mountain View, California. |
| The History of Computing Project - http://www.thocp.net/ Offers a detailed timeline on the history of computer. Sections include hardware, software, pioneers and references. |