Tools:

• https://retejs.org/
• https://developers.google.com/blockly
• http://www.vvvvjs.com/
• https://noflojs.org/

Articles:

• https://danmackinlay.name/notebook/patchers.html
• https://observablehq.com/

Papers:

1-s2.0-S1045926X96900300-main.pdf

https://www.cl.cam.ac.uk/~afb21/publications/ESP97-kirsten.html

Assessing_the_Usefulness_of_a_Visual_Programming_IDE_for_Large-Scale_Automation_Software.pdf

Structure:

• What are visual programming languages? You might have encountered some.
• History and explorations. Quote research.