Unity - The multiplatform game creation tools for everyone.
Arduino IDE - Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware...
Godot Engine - Feature-packed 2D and 3D open source game engine.
PlatformIO - Next-generation IDE for IoT
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Arduino - Build your own electronics