SimH
SimH, short for SIMulation of Historical Computers, is an open-source collection of computer simulators designed to emulate a wide range of vintage hardware. It enables users to run legacy operating systems and software on modern hosts, supporting education, preservation, and hobbyist exploration.
The project is a portable, multi-machine framework written in portable C and runs on Windows, macOS, and
SimH focuses on a broad family of DEC computers, including PDP-8, PDP-11, and VAX systems, and also
Originating in the 1990s under the guidance of developer Bob Supnik, SimH has grown into a community-maintained