Karate Score Board is a digital score board for karate matches (kumite). It provides a timer, scores, a fall counter, and a color side switch (aka/ao). It's implemented as a webpage to be portable and system-independent.
RulersGuides.js creates a Photoshop-like guides and rulers interface on a webpage. Guides are created by click-and-dragging corresponding horizontal or vertical rulers.
The classic snake game with nurses.
An open-source bare-metal monolithic hypervisor.