BlueJ and Greenfoot
Educational game development environment designed to teach programming
Educational computer programming environment using Haskell
RISC-V CPU simulator for education purposes
A collection of interactive educational exercises
Molecular viewer and prototyping framework
An environment to develop games based on a rectangular board
Puzzle game demonstrating whats so hard about binary integer factoring
Interactive communication boards for people with severe disabilities.
It allows you to teach/learn concepts visually