Zindus Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
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.
Gmail Manager Requires Restart
The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.
Yahoo! Mail Notifier Requires Restart
This extension notifies you when new messages arrive in your Yahoo mailbox.
Toolbar Button for Facebook™ lets you visit your favorite Facebook™ quickly and easily by adding a special button to your Toolbar.
log2stas LiveJournal Add-on Requires Restart
a) Auto-expand comments threads b) Copy a fragment of text or link to a picture to LJ editor from other pages. c) Simplify use of lj-cut d) Allow quickly switch between anonymous and normal browsing.
YouTube Video Player Speed play YouTube videos in whatever speed you want
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.
WOT Play Replay Requires Restart
Данное приложение расширяет возможности сайта wotreplays.ru
YouTube Videos Download in one click Requires Restart
Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.
Pins a YouTube video to the page so that it is always visible while you scroll and read comments. Port of Chrome's Video Pinner extension
Gfire WebGame Detection Plugin Requires Restart
This extension tells Xfire and Gfire about the webgame you currently play.
ALLYouTubeDownloader Requires Restart
ALLYouTubeDownloader extention (FLV/MP4/WebM; HD/HQ). Windows only. Works only with ALL YouTube Downloader 2.3 application or higher (versions 2.2 and lower doesn't work anymore).
This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.
Super Mario Cross Requires Restart
The legendary arcade game that has survived the ages and can still be found today in modern arcades. You may have played this game when you were a kid and want to have a bit of fun remembering what it was like.
Access to full-resolution product images and videos on various shopping sites is easy with this add-on. It adds links to the largest/xxl/best-size version of product images on various shoppings sites.
Open-source code on github.com/ShopCompanion