Quickly switch among sidebars, and view dialog windows for downloads and extensions.
Display international weather from AccuWeather.com via Firefox.
Add menus and a toolbars with various web developer tools to Firefox.
Browse, review, and share sites with like-minded people in Firefox.
Protect your passwords, payments, and privacy.
Organize your schedule in a calendar that's fully integrated with your Thunderbird email.
Browse faster by speeding up common tasks.
Open, download, or view Adobe Acrobat files as PDF or HTML files in your browser.
Save your Firefox sessions and restore the state of all windows.
Check out this lightweight RSS and Atom feed aggregator extension for Mozilla Firefox.