|-
||[[CPM Plus ROM|CPM Plus ROM by Vorax]]||19xx||Graduate - Vorax||||2||-|| [[media:voraxcpm.zip|Vorax CPM Plus ROMs]]
|-
||[[Desktop_Environment_System|DES - Desktop Environment System]]||1994||Michael Beckett - [[Campursoft|Campursoft]]||||2||-||[[media:desr.zip|DES Desktop Environment System ROMs]]
|-
||[[FutureOS|FutureOS]]||2011||[[FutureSoft|FutureSoft]]||||4||10-13 (fixed)||[http://www.colorado-boys-muenchen.de/users/futureos/files/FutureOS_System_.8_Preview!!!.zip FutureOS]