Lightweight client for connecting to Second Life and OpenSim
Open Brush is the community led successor to Tilt Brush!
The "DIY" SteamVR compatible VR setup made for tinkerers
Google Cardboard XR plugin for Unity
Open source Cardboard SDK and samples
Low budget open-source Virtual Reality controllers
An open source VR headset with SteamVR supports for $200
Explore and dissect a complete brain model in VR
A virtual reality tool for mathematical modeling
Cross platform Virtual Reality authoring and playback
A VR puzzle game for Cardboard using Unity
3D model viewer and world navigator.