Lexi - Speak to Alexa through your iPhone
Unity - The multiplatform game creation tools for everyone.
Astra by Cesbo - Talk to Alexa anywhere, from your iPhone
Godot Engine - Feature-packed 2D and 3D open source game engine.
Ava - Making conversations accessible for the deaf
Blender - Blender is the open source, cross platform suite of tools for 3D creation.