Metastream - Watch streaming media with friends
Udemy - Online Courses - Learn Anything, On Your Schedule
Watch2Gether - Watch2Gether is an app that allows multiple people to watch the same content simultaneously and interact with each other while watching.
Adobe Learning Manager - Adobe Learning Manager (formerly Adobe Captivate Prime LMS) is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
StreamParty - StreamParty is a watch communiry, that allows you to watch video streams in sync with the people you care about, on multiple services.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!