Firecookie is an extension for Firebug that makes possible to view and manage cookies in your browser
32-bit browser for 64-bit systems, easy to install
Firefox extension that lets you visualize any web page DOM tree in 3D. It is being developed by Victor Porof (3D developer responsible with the Firefox extension itself), along with Cedric Vivier (creating a WebGL optimized equivalent to the privileged canvas.drawWindow, see #653656) and Rob Campbell (who first thought about creating a 3D visualization of a webpage). Everything started initially as a Google Summer of Code project, but now, with an enthusiastic team behind it and so many new features and ideas, it has become an active Developer Tools project.
Securely bypasses Firefox HTTPS security errors by verifying certificates using a collection of Network Notaries. See http://www.cs.cmu.edu/~perspectives/
The Fastest Way to Build Add-onsAdd-on Builder makes it easy to write, build and test Firefox extensionsusing common web technologies
