Adds a Play/Pause toggle onto tabs that contain an HTML5 audio/video player.
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
Classic Bookmarks Button Requires Restart
Mainly for Firefox 29+!
This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.
Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.
Policeman gives you precise control over what web requests are allowed. Create rules based on domain name and type of resource being requested. It can also be used to improve privacy or block cross-site scripts.
Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.
Live new tab page: living photos in your browser, weather, to-do list, and bookmark tiles
Image Search Options Requires Restart
Image Search Options provides a set of highly customizable reverse image search context menu options.
This addon predicts your character based on date of birth
This add on would be added to addon bar above the taskbar with name HCGdora and click on it to open
Edit Middle Requires Restart
Show AwesomeBar results when editing in the middle (not just at the end)
Double-click action for Firefox -
double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).
Secure Password Generator Requires Restart
Easy to use add-on to create random secure passwords.
Makes the URL bar and Search bar more readable, and the navigation-toolbar compact.
Potplayer Youtube Shortcut Requires Restart
Quickly play or add a Youtube video (playlist) to Potplayer from the context menu or using the buttons on the site and also via middle-click
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
bioFOX Requires Restart
Bioinformatics tools on Mozilla based browsers
Adds a small and simple button to YouTube videos that allows you to quickly download the audio of the video as an MP3 file (quality of the MP3 is as high as the video offers) without having to leave the page.
Double Click Closes Tab Requires Restart
The fastest (yet safe) addon to close tab using mouse only! Close any tab by double clicking the tab. Close current tab by triple click anywhere on the page. Optionally middle click or double right click on page to close tab.
Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)
xThunder Requires Restart
Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.
PrefBar Requires Restart