Excalidraw - Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
Comma.ai - Open source self-driving car platform
Sketcharama - Draw a given word and let the other players guess your sketch.
AWS DeepRacer - A 1/18th scale race car to learn machine learning 🚗
Sketch Toy - A drawing application that lets you save and share replays of your work with friends.
Cruise - Holy shit. Self-driving cars.