Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The first and only download manager/accelerator built inside Firefox!
Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.
FireFTP is a free, secure, cross-platform FTP/SFTP client for Mozilla Firefox which provides easy and intuitive access to FTP/SFTP servers.
Check out my new project, FireSSH!
AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.
With Save Session, you can choose to save the current session and close Firefox for the next startup...
Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.
Change your bookmark icons! Right-click a bookmark, and select "Properties", then "Browse" for a new image or paste in a URL.
Better Protection. Did you know that web sites use Flash to track you with Flash based cookies?
Privacy Plus will add a simple checkbox in the [Clear Recent History] dialog that will allow you to delete these cookies (Flash LSO) anytime you like.