Opensource Add-ons

by kozaki

72 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,649 reviews

2,626,209 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...

Tamper Data by Adam Judson

Rated 4 out of 5 stars 115 reviews

129,852 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 136 reviews

193,660 users

View HTTP headers of a page and while browsing.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 153 reviews

106,655 users

An HTTP analyzer addon for Firefox

ScrapBook by Gomita

Rated 4 out of 5 stars 680 reviews

190,054 users

Helps you to save Web pages and organize the collection.

AddThis by AddThis

Rated 4 out of 5 stars 216 reviews

144,470 users

AddThis for Firefox is the best add-on to make sharing and bookmarking simple. Have all your favorite web 2.0 social networking, bookmarking, blogging, and e-mail services at your fingertips. Share any page, anytime, with anyone.

KeeFox by Luckyrat

Rated 5 out of 5 stars 606 reviews

42,798 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 115 reviews

169,310 users

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

Clean Links by Diego Casorran

Rated 5 out of 5 stars 48 reviews

24,736 users

Converts obfuscated or nested links to genuine clean links.

Eg: http://somesite.com/?to=www.example.comhttp://www.example.com/

TinEye Reverse Image Search by TinEye

Rated 4 out of 5 stars 168 reviews

137,988 users

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.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 92 reviews

81,855 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 518 reviews

101,881 users

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

Proxy List by NWK

Rated 3 out of 5 stars 12 reviews

10,382 users

Get the fastest working proxies with a single click. The easiest way to find web proxies that suits you.

WebRank SEO Toolbar by ProbCOMP

Rated 4 out of 5 stars 57 reviews

26,407 users

A toolbar that gives Google Pagerank, Alexa, Compete and Quantcast Rank, pages indexed and backlinks in Google, Bing and Yahoo. Bookmark webpages at PickMeWeb.com, view similar websites at SimilarSites.com. Delicious, Digg and Tweet Count.

FireSSH by Mime Čuvalo

Rated 4 out of 5 stars 70 reviews

18,215 users

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