There are Add-ons that goes from radio to download manager.
So, I'm gonna introduce you to some of the best and needed Add-ons:
- Foxmarks - The Bookmark Synchronizer - Saves your bookmarks online and allow to synchronize them with another computers..
- Adblock Plus - Add and banner blocker - Blocks adds and banner by filter subscription or user request
- FlashGot - Download Manager - "Download one link, selected links or all the links of a page together at the maximum speed with a single click.."
- Download Statusbar - Download statusbar info - "View and manage downloads from a tidy statusbar.."
- VideoDownloader - Saves *.vlc, etc videos - "Download videos from Youtube, Google, Metacafe, iFilm, Dailymotion, Pornotube..."
- Forecastfox - Weather report - "Get international weather forecasts from AccuWeather.com"
- PDF Download - PDF downloader helper - "Allows to choose if you want to view a PDF file inside the browser (as PDF or HTML)..."
- Fasterfox -Maximize you Firefox's speed - "Performance and network tweaks for Firefox."
- RefControl - HPPT referer controller - "Control what gets sent as the HTTP Referer on a per-site basis."
- You you have/know another great add-on please submit a comment..