Shockwave Player

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

Sparky Alexa Toolbar

Have Alexa's information in your browser

Lightning

Thunderbird add-on that adds personal organizer functions to the application

Web Developer

Toolbar aimed at web programming

FireShot

Take screen captures from Firefox

Adblock Plus for Firefox

Block Internet adverts

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

Ank Pixiv Tool

Download manga images from Pixiv

IE Tab

View websites as if you visited them with Internet Explorer

TV-FOX

More than 2,500 TV channels live from Firefox

Buffer

Share on social networks the web contents you visit

User Agent Switcher

Tool to switch the user agent used

Autofill Forms

Fill in forms automatically

Privacy Badger

Block adverts that violate your privacy

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Foxtana Pro

Have Cortana search Firefox

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

Adblock Plus for Firefox

Block Internet adverts

Zotero

Complete manager for citations

Autofill Forms

Fill in forms automatically

FireShot

Take screen captures from Firefox

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

TV-FOX

More than 2,500 TV channels live from Firefox

Sparky Alexa Toolbar

Have Alexa's information in your browser

Ank Pixiv Tool

Download manga images from Pixiv

Shockwave Player

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

IE Tab

View websites as if you visited them with Internet Explorer

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Buffer

Share on social networks the web contents you visit

User Agent Switcher

Tool to switch the user agent used

Video DownloadHelper

Download videos from the Internet by means of Firefox