Be My Eyes - Lend your eyes to the blind
Spireworks - Change the lights on NYC skyscrapers 🗽
Braille Cube - Rubiks Cube for the blind
Uber - Uber is a website and mobile app that allows you to get a ride similar to a taxi service from your phone.
Cube Buddy - Rubik’s Cube learning aide for beginners
Seeing AI - Talking camera for the blind, by Microsoft