Chart.js - Easy, object oriented client side graphs for designers and developers.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Google Charts - Interactive charts for browsers and mobile devices.
Lessonly - Getting teams up-to-speed and keeping them there.