Castle Game Engine - An open-source 3D/2D game engine for ObjectPascal.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Open 3D Engine - Open 3D Engine is an open-source 3D game development engine in real-time.
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Lessonly - Getting teams up-to-speed and keeping them there.