Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
GoToMeeting - GoToMeeting is a web conferencing service offering a range of services which are available on Mac, PC, iOS and Android devices.
Chamilo - Chamilo is a software that allows you to create a virtual campus for the provision of online or semi-online training.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Open edX - Open edX is implemented mostly in Python (with some Ruby and NodeJS as well) and the code is being...