YouTube Video Player Speed

YouTube Video Player Speed play YouTube videos in whatever speed you want

Rated 3 out of 5 stars (2)
18,001 users
Added September 16, 2016

YouTube Video Player Preview

YouTube Video Player Preview lets you preview YouTube videos when you hover over thumbnails.

Rated 5 out of 5 stars (2)
19,361 users
Added July 24, 2016

Simple YouTube MP3 Button

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.

Rated 5 out of 5 stars (20)
20,889 users
Added May 18, 2016

AMO Browsing for SeaMonkey

This extension makes browsing for extensions easier at It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.

Not yet rated
92 users
Added March 13, 2016

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 (1)
265 users
Added December 5, 2015

WhatsApp Web Messenger

Whatsapp Web Messenger brings WhatsApp right into your browser to chat with your friends.

Rated 5 out of 5 stars (2)
26,899 users
Added December 2, 2015

Serenatas For You

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

Rated 5 out of 5 stars (1)
5 users
Added August 6, 2015

IP Flager

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (2)
201 users
Added May 13, 2015

Message Seen Disable for Facebook™

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.

Rated 5 out of 5 stars (8)
7,907 users
Added December 15, 2014

Linagora ESN OpenPaaS

Quick access to your Linagora ESN network

Not yet rated
2 users
Added September 25, 2014

/r/CFB Easy Flair Requires Restart

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

Not yet rated
12 users
Added September 21, 2014

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

Not yet rated
65 users
Added May 26, 2014

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 2 out of 5 stars (3)
61 users
Added November 24, 2013

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (9)
2,760 users
Added September 25, 2013

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
43 users
Added August 19, 2013

WOT Play Replay Requires Restart

Данное приложение расширяет возможности сайта

Rated 5 out of 5 stars (1)
206 users
Added May 3, 2013

Photo Zoom for Facebook™

Photo Zoom for Facebook™ lets you zoom Facebook™ images.

Rated 5 out of 5 stars (15)
13,698 users
Added April 7, 2013

Save Button for Pinterest

Save images and pages to your Pinterest account quickly and easily with Save Button for Pinterest.

Rated 5 out of 5 stars (16)
76,710 users
Added March 27, 2013

Sidebar for Facebook™

Sidebar for Facebook™ brings Facebook™ right into your Firefox. Get notifications, status and photos from Facebook™ instantly.

Rated 5 out of 5 stars (8)
4,148 users
Added February 15, 2013

Messenger for Facebook™

Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends.

Rated 5 out of 5 stars (38)
30,139 users
Added December 16, 2012