Historical
- 21
- The Official IMSAI Website
- Vendor of the original 8080-based microcomputer. They still sell parts and are releasing a more modern release, the IMSAI Series 2, compatible with CP/M and ZS-DOS.
- 23
- Thomson MO5, MO6 and Olivetti PC128
- Downloadable games and programs with screenshots, cover art, and documentation.
- 24
- Vector Graphics Terminals
- Information about storage tube vector graphics terminals, with examples from a private collection.
- 25
- retroComputingTasmania
- Exploring retro computing (hardware, software and experience) in a Tasmanian context.
- 30
- How a Computer saved the world
- Article from the American Computer Science Association about the history of Colossus (and IBM's involvement in WWII).
- 31
- Take a Tour of Bletchley Park
- Information and photos on the Colossus rebuild project at Bletchley Park.
- 32
- Classic Computing Mailing List
- Mailing list of nearly 1000 members dedicated to preserve and archive classic computer documentation and software.
- 33
- Highgate's PDP-8 Page
- Documents for PDP-8 minicomputer, covering hardware, software, and supporting materials.
- 36
- IBM Archives
- IBM's own history site, with pages on many of their significant systems (see especially the "Exhibits" and "Documents" sections).
- 37
- All about the IBM 1130 Computing System
- The IBM 1130 Computing System, introduced in 1965, was IBM's most "personal" system to date. This site celebrates and documents that system.
- 38
- IBM 360/370/3090/390
- A condensed history of IBM mainframes and their operating systems from System/360 through System/390.