Ushahidi - Ushahidi gathers data from various sources and reports incidences around the world in real time.
Sleeve - Your currently playing track displayed right on your desktop
Startup Escape - A real-life startup themed escape room in SF!
AwesomeHunt - Community-curated lists of learning resources on any topic.
Monstrum - A procedurally-generated, permadeath horror game
UnitedMasters - Creator tools for artists to get smart, get fans, get paid