13 Add-ons in this Collection
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).
Greasemonkey by Anthony Lieuallen, Aaron Boodman, others
Enjoy a faster, safer and cleaner browsing experience.
NoSquint allows you to adjust the text-only and full-page (both text and images) zoom levels as well as color settings both globally (for all sites) and per site.
Never lose anything you type into a web form again! Lazarus securely auto-saves all forms as you type, so after a crash, server timeout, or whatever, you can go back to the form, right click, "recover form", and breathe a sigh of relief.
Enables Adobe Acrobat-style grab and drag scrolling, Flick gestures, and Momentum scrolling in Firefox. Useful for (older) pen or touchscreen-based devices for which these gestures are not natively supported. Not useful on Windows 8 touch devices.
A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.
Add useful extra features to Gmail, like hierarchical labels, an unread message icon on your browser tab, file attachment icons, and more.
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Workaround: Bug 489729 - Clicking a tab once and then moving your mouse in a downward motion causes a new window to open.
Optionally(If you want):
Disable detach tab completery, Enable to create Shortcut on the desctop/explorer.
Note from Mozilla: This add-on has been discontinued. Try Colorlicious instead.
Change Firefox to Any Color and create your own personalized theme.
This extension makes "Bookmark This Page", "Bookmark This Tab" and "Bookmark All Tabs.." behavior equal with Firefox2.