Open Listings - Buy a home without a real estate agent.
Unity - The multiplatform game creation tools for everyone.
Peerstreet - Finances real estate through a form of crowdfunding.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Riley - A personal assistant for apartment hunting
Blender - Blender is the open source, cross platform suite of tools for 3D creation.