History of Sketchpad from 1963. One of the most influential computer programs ever written by an individual.
The Early History Of Smalltalk
Electronics, Free Full-Text
No-code History: Sketchpad - A man-machine graphical communication
PDF) Sketch pad a man-machine graphical communication system
A graphics-based programming-support system” by Frei, Weller and
After 50 Years of Computer-Aided Design —
Software History Bibliography - Charles Babbage Institute
Sketchpad of Ivan Sutherland: This Amazing Footage Shows What CAD
Sketchpad, Interactive Drawing, Vector Graphics & CAD
Instadeq (@instadeq) / X
No-code History: Sketchpad - A man-machine graphical communication
Gravity in Computer Space
Sketchpad, Interactive Drawing, Vector Graphics & CAD