Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!

Spectrum - Browser-based app to visualize the frequencies of an audio file.

Chamilo - Chamilo is a software that allows you to create a virtual campus for the provision of online or semi-online training.

Kommunity - Explore communities that share your passion with millions of people

Open edX - Open edX is implemented mostly in Python (with some Ruby and NodeJS as well) and the code is being...

Geneva - An all-in-one communication app for groups & communities