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ChatZilla Requires Restart

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

Rated 4 out of 5 stars (151)
13,296 users

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Toolbar Buttons

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.

Rated 4 out of 5 stars (372)
301 users

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Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (66)
235 users

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Arabic spell-checking dictionary

Arabic spell-checking dictionary for Firefox 3 and Thunderbird 3 from Ayaspell.

Rated 4 out of 5 stars (43)
643 users

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United States English Spellchecker

This dictionary is no longer maintained. Use this dictionary instead.

Rated 4 out of 5 stars (207)
4,523 users

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DuckDuckGo on TOR

Search with DuckDuckGo using the TOR network without JavaScript

Rated 5 out of 5 stars (10)
226 weekly downloads

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Facebook Search

Facebook Search without logging in! Search Facebook Messages, People, Applications, Music, Video, Groups etc. For more it allows one to search for specific texts on the walls of Facebook subscribers en masse. Make your keyword search around Facebook!

Rated 5 out of 5 stars (2)
224 weekly downloads

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The Pirate Bay (SSL)

The Pirate Bay is a popular BitTorrent index. This search bar add-on utilizes SSL to protect searches between You and The Pirate Bay.

Rated 4 out of 5 stars (5)
224 weekly downloads

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iDope TORRENT

iDope is a torrent search engine with over 16,530,350 torrents on the site. The https://idope.se site is Ad-free, clean and safe. There was also an APP for Android.

Rated 5 out of 5 stars (13)
223 weekly downloads

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Google (UK)

Google.co.uk search with no shenanigans

Rated 5 out of 5 stars (15)
221 weekly downloads

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Proxy Privacy Ruler

Restrict Proxy by Private Windows, Tabs and Domain List

Rated 5 out of 5 stars (31)
21 users

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P7MON Requires Restart

Abilita la gestione alternativa degli allegati P7M

Rated 5 out of 5 stars (3)
92 users

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Google Images

Google Images Search

Rated 4 out of 5 stars (53)
216 weekly downloads

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Filmweb

Filmweb.pl - Head full movies. Filmweb.pl Search engine for Firefox.

Rated 3 out of 5 stars (4)
210 weekly downloads

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SocialBlade Youtube

Social Blade Youtube - Desenvolvimento do add-on: EduRebecca

Rated 2 out of 5 stars (4)
208 weekly downloads

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Wolfram|Alpha

Search the brand new Wolfram|Alpha computational search engine.

Rated 5 out of 5 stars (14)
205 weekly downloads

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Brazilian Portuguese Dictionary (Former Spelling)

The same spellchecker shipped with the Brazilian version of Firefox, just using the former spelling (which is valid until January 1st 2016).

Rated 4 out of 5 stars (6)
675 users

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GenScript Search

This is an officially supported GenScript Search Add-on, provided by GenScript. The GenScript Search Add-on can enable you get access to comprehensive biology services, products, and useful bioinformatics tools much more easily and conveniently.

Rated 4 out of 5 stars (1)
199 weekly downloads

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Romanian spellchecking dictionary

Romanian spellchecking dictionary for Firefox.

Rated 4 out of 5 stars (40)
4,002 users

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100 Search Engines for Firefox

Why use one search engine like Google, Yahoo, or Bing when you can have those search engines, plus piles of other search engines. Why Searchalot? Over 100 search engines for you to use to find what you are looking for on the Internet.

Rated 3 out of 5 stars (27)
188 weekly downloads

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