Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends.
Webmaster SAPE Requires Restart
Toolbar contains a set of functions, which expands the abilities of webmasters and optimizers, when working in the interface of SAPE exchange.
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.
YouTube Video Replay is a new tool that lets you replay YouTube Videos.
Photo Zoom for Facebook™ lets you zoom Facebook™ images.
ConQuery Requires Restart
Context searching for everyone and URL manipulation tool for advanced users...
Youtube Video Center changes the new Youtube design and centers the whole Youtube page on the screen automatically.
Message Seen Disable for Facebook™ lets you turn off Facebook™'s Message Seen feature automatically for your account. You can still use Seen feature for others.
Updated version of the original DSLR Notifier, created by Ryan Flint, which enables members of Dsl/Broadbandreports.com to keep tabs on their instant messages and updated...
Save images and pages to your Pinterest account quickly and easily with Save Button for Pinterest.
Share Button for Facebook™ lets you share any web page on your Facebook™ Timeline by a quick button.
FoxGame Requires Restart
Enhance user experience with OGame.
Web Messenger for WhatsApp™ brings web messenger right into your browser to chat with your friends.
Sidebar for Facebook™ brings Facebook™ right into your Firefox. Get notifications, status and photos from Facebook™ instantly.
VKontakte.ru Downloader (music/videos/photos @ VK) Requires Restart
Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam, no usage of your account, no spyware.
Install Browser Extensions straight from GitHub Repositories
DSLR Notifier Requires Restart
Enables members of Dsl/Broadbandreports.com to keep tabs on their instant messages and updated...
Forecastbar Enhanced Requires Restart
Note from Mozilla: This add-on has been discontinued. Try Forecastfox Weather instead.
Get international weather and weather forecasts with Forecastbar Enhanced.
Orkut Toolbar Requires Restart
Orkut Toolbar helps you to format the text of your posts in the Orkut forums, easily access all common functions of orkut, create and manage custom signatures and insert and view images and flash movies in orkut posts and scraps.
This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.