Add menus and a toolbars with various web developer tools to Firefox.
Block unwanted ads.
Tweak your Firefox download window and add more features.
Browse, review, and share sites with like-minded people in Firefox.
Check out this lightweight RSS and Atom feed aggregator extension for Mozilla Firefox.
Chat with your friends on Facebook.
Protect your passwords, payments, and privacy.
Display international weather from AccuWeather.com via Firefox.
Remove Timeline from Facebook with this Firefox add-on.
View preview images of Web sites in Google, Bing, and Yahoo search results.