Google is open sourcing the Google Browser Sync client...

http://google-opensource.blogspot.com/2008/07/open-sourcing-browser-sync.html

[Moved from "Google open sources Browser Sync tool" – Tony]

Google has changed its Browser Sync tool to open source utility.

Link:
http://robert.accettura.com/blog/2008/07/10/google-open-sources-browser-sync/

The Google Code project page for the tool is located at
http://code.google.com/p/browsersync/