natto.dev

A sort of 2D adaptation of Computational notebook.

You can create “panes” which contain snippets of code; they can display their output or connect to other new panes.

Also contains a nicely executed in-medium tutorial, a la What might it mean to situate games like Shenzhen I\/O inside pro environments like an IDE? or Figma’s copy and paste playground situates instructional media inside the context of use: natto - a canvas for JavaScript