Godot Engine - Feature-packed 2D and 3D open source game engine.
Conduct Exam - Conduct Exam is a robust online exam software which offers impeccable assessment solutions
MonoGame - MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
ClassMarker - The ClassMarker online testing website, is a professional, easy to use, online quiz maker that marks your tests and quizzes for you. Create online quizzes free quiz maker. Web-based online testingWeb-based online testing service | Free quiz maker.
BYOND - BYOND is the premier community for making and playing online multiplayer games.
Wooclap - A web-based platform that helps teachers boost participation and measure the level of understanding of students' in class thanks to smartphones.