New York Times Virtual Reality App: Free VR Experience
With this powerful free app, an iOS or Android device, and Google Cardboard, viewers can experience sights and sounds from around the world—from the Iowa caucus to a vigil in Paris. 

Personalized Adaptive Learning Program ClassK12
With over 30,000 interactive questions for K–5 ELA and Math, ClassK12 is an online practice platform with exercises for students and an easy-to-use interface for teachers. 

Chat-Based, On-Demand Tutoring Service from GradeSlam
For a monthly subscription, students at all levels can access a tutor in any subject, 24/7, via chat, and share files and photos of their homework with their tutor.