ClassDojo - Build wonderful classroom communities with parents and students. Class DojoBuild wonderful classroom communities with parents and .
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
YEAY - QVC + Tumblr + Snapchat. Vertical video shopping.
Edmodo - Where Learning Happens
Smarthandwerk - Smarthandwerk is a software solution that enables the company’s customers to create the complete workflow for quotes and invoices with just a few clicks.
Open edX - Open edX is implemented mostly in Python (with some Ruby and NodeJS as well) and the code is being...