YouTube Kids - YouTube for the youngins on iOS and Android
Robinhood - Free stock trading service.
Learney - Knowledge aggregator for developers
Wanderlog - Collaborative travel planner with combined itinerary and map
Cubetto - Cubetto is the friendly wooden robot that will teach your child the basics of computer programming through adventure and hands on play. Montessori approved, LOGO Turtle inspired.
Frienzy - Optimize your group travel experience