Groups comparison

CP/M OS - 1970 to 2019
An operating system that reached its peak just before the IBM-PC was released. It rapidly lost its market share to MS-DOS compatible OSes. Made 'open source' in 2001.

Emulated on MAME (Multiple Arcade Machine Emulator) - 1971 to 2016
An Arcade games emulator available for almost any platform. (clones and bootlegs are merged to the parent)

Source Code Available - 1971 to 2021
The source code for these games have been published but likely or definitely remains proprietary.

Qt framework - 1997 to 2015
A cross-platform application framework originally by Trolltech.

irrKlang audio library - 2008 to 2012
A cross-platform audio library/API by Ambiera.

cpm
mame
sourcecodeavailable
qtframework
irrklang
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