firefox用的是3.6.23的版本：

http://www.filehippo.com/download_firefox/10667/

1、Adblock Plus

https://addons.mozilla.org/en-US/firefox/addon/adblock-plus/

2、Add to Search Bar

https://addons.mozilla.org/en-US/firefox/addon/add-to-search-bar/

3、Auto Disable IME

https://addons.mozilla.org/en-US/firefox/addon/auto-disable-ime/

4、Google Toolbar for Firefox

https://addons.mozilla.org/en-US/firefox/addon/groowe-search-toolbar/

5、Greasemonkey

https://addons.mozilla.org/en-US/firefox/addon/greasemonkey/

6、IE Tab +

https://addons.mozilla.org/en-US/firefox/addon/ie-tab-plus-ff-36/

7、Menu Editor

https://addons.mozilla.org/en-US/firefox/addon/menu-editor/

8、Multi Links

https://addons.mozilla.org/en-US/firefox/addon/multi-links/

9、QQ Mail plugin for firefox

http://service.qq.com/info/32198.html

10、User Agent Switcher

https://addons.mozilla.org/en-US/firefox/addon/user-agent-switcher/

11、keyconfig

http://mozilla.dorando.at/

12、userChrome.js

http://mozilla.zeniko.ch/userchrome.js.html