How the Graphical User Interface Was Invented - IEEE Spectrum
Source code to PC/GEOS has been published to GitHub #VintageComputing #MSDOS #GUI #Commodore « Adafruit Industries – Makers, hackers, artists, designers and engineers!
BlackStrip Shell - GUI shell for DOS - YouTube
FREE SOFTWARE FOR DOS — Desktops, Shells, GUIs
ms dos - "GAZE" GUI Organizer program? - Retrocomputing Stack Exchange
WinWorld: GEM 1.x
OpenGEM - Opendawn
GUIs: The computing revolution that turned us into cranky idiots | ZDNET
MS-DOS Application: DOS Shell : Free Download, Borrow, and Streaming : Internet Archive
Cybex Shell - graphical desktop environment for MS-DOS - YouTube