DSpice: Design and Simulation of Circuits using Spice
LDraw™ editor for LEGO® style digital building instructions.
Plug&Play Hardware simulation over a virtual bus system.
Touch typing tutor
Learn touch typing without leaving the terminal
Allows anyone to create a VR or AR website for free!
Open-source automated grading of programming assignments
The Repast Suite is a family of free agent-based modeling libraries.
Japanese vocabulary and kanji study tool with built in dictionary