VRChat - Create and play in virtual worlds with others
Rift - The next generation Oculus Rift (shipping Q1, 2016)
Vircadia - Vircadia is an open-source and decentralized real-time VR creation platform for university, enterprise, social, and OpenSim users.
Teslasuit - The worlds 1st full body haptics suit that lets you feel VR
Facebook Horizon - Explore, play, and create in Facebook's ever-expanding VR world.
Cinera - An immersive personal theater headset