GoPad for Schools - School Management
Drawasaurus - Drawasaurus is an online drawing & guessing game you can play with friends or strangers.
Sawyer - Discover a wonder-filled world of kids classes, camps, events, and activities, right in your neighborhood
skribbl - Word guessing based on drawing.
Yusp - Yusp is a next generation, real-time personalization engine having all product modules as defined by Gartner for various business models.
gartic.io - Draw, guess, and win!