Inbox Creature - A super cute virtual pet, delivered right to your inbox.
TeenUp - A learning platform designed for teens by teens
HippityPip - Teach phone numbers to kids
Alcamy - Free, open self-learning platform. Learn & teach anything.
Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
EduDo - EduDo is a video discussion platform