Omegle - Omegle is one of the most popular online chat website allowing user to communicate with anyone without registration.
Udemy - Online Courses - Learn Anything, On Your Schedule
Chatrandom - Chatrandom provides medium to users for having chat at random with different users around the globe.
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.
LuckyCrush - Live random video chat
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!