gridscale - gridscale - The World's Easiest IaaS-Solution.
VRChat - Create and play in virtual worlds with others
Microgrid Services - Green Energy Corp's mission is to modernize national power systems and microgrids while driving the development of the Smart Grid by it's open source GreenBus.
Vircadia - Vircadia is an open-source and decentralized real-time VR creation platform for university, enterprise, social, and OpenSim users.
Sunverge - Sunverge works with leading providers to create the safest, most reliable and most rigorously field-tested energy cloud battery storage products.
Facebook Horizon - Explore, play, and create in Facebook's ever-expanding VR world.