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).
Collector's Note Can't imagine my life without this extension. It blocks all of the unwanted stuff from the internet and allows me to block anything I dont like
Collector's Note It makes my job so much easier. The ultimate developer extension
The first and only download manager/accelerator built inside Firefox!
Collector's Note Great Download Manager for large downloads or advanced download options
Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.
Collector's Note A lot of options to manage tabs, list of closed tabs
Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...
Latest updates: See bottom link 'version history'!
United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.
To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".
Collector's Note English dictionary...
Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!
Collector's Note Keeps my bookmarks and passwords synced, plus I can create profiles to separate work and home bookmarks
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Collector's Note Allows me to go faster
Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.
Collector's Note No need for themes.
Collector's Note Spanish Dictionary
With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
Collector's Note For those annoying sites with pop ups everywhere.
CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
Collections are groups of related add-ons that anyone can create and share.Explore Collections