Visual programming tools
Little collection of visual programming tools. Check the wikipedia page on Visual programming language for more references.
Sequential-block | scratch like
The most known one.
Sample screenshots of Scratch 3 programs on with horizontal and vertical blocks
The most common base to build other ones (like Scratch).
Sample screenshot of Blockly program
Blockly-based language for robots programming.
Sample BitBloq programming environment
Data-flow | node-red like
Well-known home automation tool.
Screenshot of a node-red program
Conceptually similar to node-red, but different considerations in regards to UX. Read Xible's author comment on this.
Screenshot of a sample Xible program
A WYSIWYG language for data processing.
Screenshot of example luna program
Hybrid visual/text programming. With a long story. Core doesn't look like it's open.
vvvv Hybrid development environment screenshot
A visual programming language for microcontrollers.
Screenshot of a sample XOD.io program