Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
Unity - The multiplatform game creation tools for everyone.
Voice Principles - Guiding principles for voice design, all in one place
Godot Engine - Feature-packed 2D and 3D open source game engine.
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
Blender - Blender is the open source, cross platform suite of tools for 3D creation.