If you don't mind a hosted service that doesn't proxy the stream, then https://getscreen.me/ https://getscreen.me/ is great, you can even watch a movie over the

If you don't mind a hosted service that doesn't proxy the stream, then https://getscreen.me/ https://getscreen.me/ is great, you can even watch a movie over the wire performantly. It uses a custom native handshake client and WebRTC for the capture & encryption, in other words, same as Chrome Desktop but simpler to use.