Phoronix: Open-Source HTML5 Terminal Emulator To Support X11

The Gate One HTML5-powered terminal emulator and SSH client that goes without needing any browser plug-ins and supports many SSH/terminal features is working on bringing X11 support to the web-browser. The developer claims that this X11 support in the browser written in HTML5 will be fast enough to support video playback and he's made a video demo as proof...

http://www.phoronix.com/vr.php?view=MTUwNTk