Opensource Add-ons

by kozaki

78 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,840 reviews

2,018,974 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 535 reviews

781,854 users

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

SQLite Manager by lazierthanthou

Rated 4 out of 5 stars 58 reviews

189,595 users

Manage any SQLite database on your computer.

Tamper Data by Adam Judson

Rated 4 out of 5 stars 142 reviews

100,557 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 170 reviews

138,335 users

View HTTP headers of a page and while browsing.

ScrapBook by Gomita

Rated 4 out of 5 stars 876 reviews

144,772 users

Helps you to save Web pages and organize the collection.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 170 reviews

80,993 users

An HTTP analyzer addon for Firefox

Clean Links by Diego Casorran

Rated 5 out of 5 stars 111 reviews

43,098 users

Converts obfuscated or nested links to genuine clean links.


KeeFox by Luckyrat

Rated 5 out of 5 stars 1,214 reviews

61,449 users

Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 125 reviews

123,136 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

UnPlug by h2g2bob

Rated 4 out of 5 stars 245 reviews

48,558 users

UnPlug is an extension which lets you save video and audio which is embedded on a webpage - it's a video download tool.

TinEye Reverse Image Search by TinEye

TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

FireSSH by Mime Čuvalo

Rated 4 out of 5 stars 94 reviews

28,955 users

FireSSH is a free, cross-platform SSH terminal client for Mozilla Firefox. Written entirely in Javascript!

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 654 reviews

73,901 users

Make any pages' search functionality available in the Search Bar (or "search box")...

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 328 reviews

111,400 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
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