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Castle Game Engine - An open-source 3D/2D game engine for ObjectPascal.
Adobe Captivate Prime LMS - Adobe Captivate Prime LMS is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
Open 3D Engine - Open 3D Engine is an open-source 3D game development engine in real-time.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Godot Engine - Feature-packed 2D and 3D open source game engine.