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FoxTrick No Restart

Firefox extension for the popular Hattrick.org online football game.

It takes time for Mozilla to review updates thus this version might be out of date sometimes. The latest stable release can always be found on https://www.foxtrick.org/download

Rated 5 out of 5 stars (51)
13,855 users

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...)

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

Rated 4 out of 5 stars (1,406)
150,739 users

ALLYouTubeDownloader

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 (7)
146,550 users

Yahoo! Mail Notifier

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

NOTE: If you are having issues with the add-on reporting connection errors, try updating to version 1.0.7.3.

Rated 4 out of 5 stars (140)
21,258 users

Zindus

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

Rated 4 out of 5 stars (196)
54,362 users

Galaxytoolbar

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

Rated 4 out of 5 stars (12)
7,570 users

Gfire WebGame Detection Plugin

This extension tells Xfire and Gfire about the webgame you currently play.

Rated 4 out of 5 stars (1)
1,512 users

YouTube Videos Download in one click

Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.

Rated 3 out of 5 stars (16)
11,291 users

FoxGame

Enhance user experience with OGame.

Rated 5 out of 5 stars (32)
3,560 users

Forecastbar Enhanced

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)
10,065 users

Fire.fm

Enables direct Last.fm radio streaming to paid Last.fm subscribers. Discover new music and artists while listening to the music you love!

Rated 5 out of 5 stars (377)
20,722 users