The idea behind the Application Boundaries Enforcer (ABE) module is hardening the web application oriented protections already provided by NoScript, by developing a firewall-like component running inside the browser.
Winners of the 2006 extension competition
Save all installed extension in a reinstallable form
Firefox masterpassword bruteforcer
Fuzzbot is a native Firefox plug-in that uses librdfa for it's processing back-end. It is most useful for detecting embedded semantic information in web pages and performing actions on that semantic data.
Secure Login is a login extension for Mozilla Firefox integrated password manager.