RenderDoc is a stand-alone graphics debugging tool
Android real-time display control software
Dust3D is a cross-platform open-source 3D modeling software
Open source Cardboard SDK and samples
The open-asset-importer-library repository
3D modeler, 3D game maker, 3D demo maker
An unofficial Google Cardboard Unity SDK
Cross-platform 2D and 3D game engine
Character animation system for games and simulations.
Realtime 3D engine for game development
Very Powerfull Crossplatform Qt Based Music Note Editor[Still Planing]