https://addons.mozilla.org/en-US/firefox/addon/tab-mix-plus/
https://addons.mozilla.org/en-US/firefox/addon/firegestures/
http://code.google.com/p/gmarks/downloads/detail?name=GMarks-1.0.3.xpi&can=2&q=
http://www.firefox.net.cn/forum/viewtopic.php?t=29894