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Zindus Requires Restart

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Rated 4 out of 5 stars (199)
15,614 users

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.

Rated 4 out of 5 stars (1,151)
29,782 users

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.

Rated 5 out of 5 stars (165)
3,009 users

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 4 out of 5 stars (24)
1,402 users

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.

Rated 4 out of 5 stars (509)
80,180 users

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).
Homepage: http://www.allplayer.org/youtube-to-allplayer

Rated 3 out of 5 stars (8)
5,802 users

Yahoo! Mail Notifier Requires Restart

This extension notifies you when new messages arrive in your Yahoo mailbox.

Rated 3 out of 5 stars (158)
2,687 users

WOT Play Replay Requires Restart

Данное приложение расширяет возможности сайта wotreplays.ru

Rated 3 out of 5 stars (2)
91 users

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.

Not yet rated
19 users

FoxGame Requires Restart

Enhance user experience with OGame.

Rated 5 out of 5 stars (33)
197 users

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.

Rated 4 out of 5 stars (151)
851 users

Video Pinner

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

Rated 3 out of 5 stars (4)
26 users

Shop Companion

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

Not yet rated
22 users

DSLR Notifier 2

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...

Rated 5 out of 5 stars (9)
40 users

/r/CFB Easy Flair Requires Restart

Easily insert flair into /r/CFB posts with a shorthand system.

Not yet rated
9 users

Galaxytoolbar Requires Restart

A Firefox extension for the OGame Galaxytool to keep it up-to-date.

Rated 4 out of 5 stars (15)
808 users

Linagora ESN OpenPaaS

Quick access to your Linagora ESN network

Not yet rated
0 users

IP Flager

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (4)
98 users

Serenatas For You

En 4 pasos envía la serenata, sencillo, seguro y rápido.

Rated 5 out of 5 stars (1)
1 user

Youtube Downloader Gold

This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.

Rated 2 out of 5 stars (2)
156 users