Tymshare, Inc. was a well-known timesharing service and third-party hardware maintenance company throughout its history and competed with companies such as Four Phase, Compuserve, and Digital Equipment Corporation (DEC, Digital). Tymshare developed or acquired innovative technologies, including data networking (Tymnet), electronic data interchange (EDI), credit card and payment processing (TTS, Western29), telecommunications provisioning (COEES), office automation (August, Augment) and database technology (Magnum). It was headquartered in Cupertino, California from 1964 to 1984.
The computing platforms included the XDS 940 (Tymcom-IX), XDS Sigma 7, DEC PDP-10 models KA, KI, KL and KS (Tymcom-X/XX, Tenex, August, Tops-20), XKL Toad-1, IBM 360 & 370 (VM, MVS, GNOSIS) servers.
