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Google Scholar Search

Google Scholar helps you find relevant work across the world of scholarly research

Rated 4 out of 5 stars (8)
146 weekly downloads

Mycroft Project

The Mycroft Project is a collection of OpenSearch & Sherlock Search Engine Plugins for your internet browser.

Rated 5 out of 5 stars (28)
144 weekly downloads

Google (SSL)

Google is the world's most popular search engine. This search bar add-on utilizes SSL to protect searches between You and Google.

Rated 5 out of 5 stars (3)
144 weekly downloads

Lightbird Requires Restart

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (21)
123 users

PlayFlash 64bit Requires Restart

Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.

Rated 5 out of 5 stars (32)
42 users

百度翻译 translate to chn

将 百度翻译 添加到 搜索引擎列表
百度翻译 - 任意语言 翻译为 汉语
建议同时安装一个右键菜单查询插件,比如 Context Search
Add Baidu Translate to the search engine list
It could translate most kind of language to Chinese
Recommend installing a right click addon as well, like the Context Search

Rated 5 out of 5 stars (7)
140 weekly downloads

Close Proxy Authentication Requires Restart

Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.

Rated 5 out of 5 stars (5)
1 user

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (31)
11 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (149)
7 users

Dictionary - Reference.com

Dictionary definitions at your fingertips.

Rated 5 out of 5 stars (11)
135 weekly downloads

o-o-0-o-o search

o-o-0-o-o makes google search better, open popular sites by 1-2 letters, gives you a lot of search shortcuts and show 30 google results. Addition o-o-0-o-o wingOwing.

Rated 1 out of 5 stars (2)
135 weekly downloads

Russia - All-in-one Internet Search (SSL & TLS)

The #1 Russia Search Add-on - Download Now - Free & Unlimited - "A must have add-on for Russia." Binary App Dev (End-to-End Encryption & Encrypted SSL Suggestions)

Rated 5 out of 5 stars (3)
134 weekly downloads

Internet Archive Search

Search add-on for Archive.org
Internet Archive: Universal Access To All Knowledge.

Rated 3 out of 5 stars (6)
133 weekly downloads

Bulgarian Dictionary

Bulgarian spellchecking...

Rated 5 out of 5 stars (30)
4,737 users

Spanish (Venezuela) spell check dictionary

Diccionario en español para Venezuela.
- Corrector Ortográfico (Spell Checker)
- Tesauro de Sinónimos (Thesaurus)
- Separación Silábica (Hyphenation)

¡Hecho en Venezuela!

Rated 5 out of 5 stars (30)
7,792 users

Private Anonymous Search (Google + Bing + HTTPS)

Privatelee.com (HTTPS) combines the best results from Google and Bing with the ultimate private search engine.

Privatelee does not save IP address or set uniquely identifiable or ad network cookies.

Features like WOT rating, infinite scrolling

Rated 4 out of 5 stars (21)
128 weekly downloads

Duden.de Suche

Duden.de Suche

Rated 5 out of 5 stars (7)
126 weekly downloads

Afrikaans spell checker

Afrikaans spell checker for Mozilla Firefox and Thunderbird

Rated 4 out of 5 stars (23)
1,567 users

Free Mp3 Music Search for Download

Mp3 Search is a torrent search engine which leads directly to pages with direct links to mp3 files. So you just need to enter song name and then download free mp3 music. And you don't need to register to download music.

Rated 4 out of 5 stars (11)
123 weekly downloads

Disable Addon Compatibility Checks (Version 4-56)

Reinstates the extensions.checkCompatibility preference.

Rated 4 out of 5 stars (6)
42 users