Its interesting that for an industry pushing humanity into the future, Software engineering practices have not changed significantly in the last 50 years. We are still using basic text editors with syntax highlighting, often on machines with hundreds of times the power of the devices they were originally designed for, an irony highlighted by Bret Victor in his talk linked below
I have been thinking about this for a while and collecting links on different ideas around this for the last few years. The deck below collects some of these ideas. If you have others that could be added, please leave a comment.
An interesting article on exploring visual programming in Go. Some interesting points there on why visual programming failed