Courseroot - Biggest online course database on the web
Kalimba - Kalimba is a Puzzle-platform video game developed by Press Play and published by Microsoft Studios.
Alcamy - Free, open self-learning platform. Learn & teach anything.
Lix - An all in one app for university students
Startup Stash - A curated directory of 400 resources & tools for startups
Rabbit Escape - A game of rescuing rabbits, inspired by Lemmings and Pingus.