Google’s ambitious video chat system wraps up instant messaging, live-streaming video, remote control, and more into one Chrome-friendly package. Chat via video, share your screen, take control of other participants’ desktops, and import files from your Google Drive account for collaborative note-taking or sketch-making.
You can even watch videos (via YouTube, of course) as a group and add your comments to the mix, Mystery Science Theater 3000 style. If bandwidth starts to drag you down, you can adjust your camera’s usage of the internet connection. Need to broadcast to a larger group than the 10-user limit? Try Hangouts on Air, a live-streaming companion to Hangouts.
Platforms: web, Windows, Mac, Linux, Chromebook, iOS, Android
Pricing: free (up to 10 participants)