Ares Catcher

Download your favorite videos from the Internet

WinStars

Put a planetarium on your PC's desktop

StarStaX

Create spectacular composite photos

Go! YouTube Snagger

An easy way to download videos from YouTube

Replay Media Catcher

The best way to download videos

Stellarium

Interesting application that lets you see the universe on your computer

StreamTransport

Download videos from any online streaming service

TubeBox!

Downloading videos in batches had never been so easy

Free Tube Finder

Search for videos online and download them from your desktop

OpenUniverse

Discover the Universe using your computer screen as a telescope

YouTube Mate

Download, convert and play YouTube videos

Pymaxe

Search and download music and videos

VideoTodo

Download videos from sites like YouTube, Megavideo or Google Video

Cool YouTube Downloader

Download all the videos that you want from the Internet

Axara YouTube Tools

Download and convert your favorite videos on the Internet

Startrails

Obtain photos of the trail left behind by the stars

Shockwave Player

The add-on to play multimedia Flash contents in 3D

User Agent Switcher

Tool to switch the user agent used

Adblock Plus for Firefox

Block Internet adverts

Video DownloadHelper

Download videos from the Internet by means of Firefox

Sparky Alexa Toolbar

Have Alexa's information in your browser

Ank Pixiv Tool

Download manga images from Pixiv

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

FireShot

Take screen captures from Firefox

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Buffer

Share on social networks the web contents you visit

Zotero

Complete manager for citations

WebMail for Thunderbird

Use Thunderbird to manage your webmail

TV-FOX

More than 2,500 TV channels live from Firefox

IE Tab

View websites as if you visited them with Internet Explorer

Autofill Forms

Fill in forms automatically