Cosy School

Complete educational system, totally editable, open source.
select tasks, fine-tune tasks and create tests. Task can be with talking avatar video, your videos or just text. Motivation systems: best time score, pocket money, cartoons. The test is possible to work on other devices, phones, tablets by scanning a barcode or sending a message with a link. Modify existing task, even source code in java script to get task you want.