Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Udemy - Online Courses - Learn Anything, On Your Schedule
Chamilo - Chamilo is a software that allows you to create a virtual campus for the provision of online or semi-online training.
DesignerUp - Not your average design and dev bootcamp.
Edmodo - Where Learning Happens
Design Gurus - The ultimate resource to help you prepare for the system design and coding interviews.