Framework for Browser toolbar

Is there a framework I can use to make cross-browser toolbar?

To make my self more clear : I want something like this but for browsers http://www.phonegap.com/

As you can see , it uses a common technology (HTML+CSS+JS) t开发者_C百科o make cross-platform mobile apps.

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Try this: http://kangoextensions.com/ for cross-browser extension development