Whats new in version 1.6.2.1:• Bug 8839: Switch about:tor search link to unfiltered startpage link
Publisher review:Torbutton is the component in Tor Browser Bundle that takes care of application-level security and privacy concerns in Firefox. To keep you safe, Torbutton disables many types of active content.
Torbutton adds a small panel to the status bar that displays the current Tor status using colors. Red means that Tor is disabled and green means that it's enabled.
Moreover, you can even use Torbutton as a toolbar button, just by dragging and dropping it to the desired toolbar.
Torbutton even includes the ability to send DNS resolves through the socks proxy, a feature included in modern browsers.
Furthermore, Torbutton is a cross-platform extension that can be used under Mac OS X, Windows and Linux.
Requirements:Operating system:Mac OS X
Torbutton 1.6.2.1 details 
