This site is a cross of a virtual desktop and an online storage site. Store up to 100MB of files for free and access them across many different types of devices.
http://ictmagic.wikispaces.com/ICT+&+Web+Tools
Setup your own virtual meeting rooms or training sessions in a true immersive 3D environment and interact with team mebers or learners via avatars. Runs on desktop Mac, PC and VR gear like Okulus Rift, HTC Vive and soon Daydream, too. Up to 3 users for free!