GetBadges - GetBadges is a gamification platform which allows developers to play and compete while using software development tools.
Unity - The multiplatform game creation tools for everyone.
Orcaso - Work is now gamified. Achieve greatness through orcaso.io, the simplest project management/team collaboration tool.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Cooey - IoT enabled health management platform that works offline
Blender - Blender is the open source, cross platform suite of tools for 3D creation.