The program was initially created for the PDP-11 and LSI-11 series of DEC. At the end of the 1970s it was ported [3] to run on microprocessors like the MOS Technology 6502 of the Apple II and the Intel 8086 of the IBM Personal Computer.
[4] Failing to meet the demands of a graphical user interface with the rise of Microsoft Windows in the late-1980s the popularity of TUTSIM slowly faded away.
Multiple requests from bond graph researchers caused the University of Twente to begin development of a successor to TUTSIM.
[5] This resulted in the software 20-sim, released by Controllab, which contained many of the features that made TUTSIM popular.
The lack of a graphical UI required inputs in textual form by entering commands and arguments.