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Baidu
Baidu Search is the leading Chinese search engine for websites, audio files, and images. This search plugin uses powerful Baidu search engine and supports Baidu Suggest in Chinese
Polish Spellchecker Dictionary
Polish spell-check dictionary for Firefox, Thunderbird and SeaMonkey.
Bing
This is the only officially supported Bing add-on, provided by the Bing team in Microsoft.
Bing is a search engine that finds and organizes the answers you need so you can make faster, more informed decisions.
Firefox Input
Use this add-on to perform a search for Desktop Firefox Beta feedback!
Ixquick (SSL)
Ixquick is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Ixquick.
Verificador Ortográfico para Português do Brasil
Possui a maioria das palavras existentes em português do Brasil, de acordo com o novo acordo ortográfico que entrou em vigor janeiro de 2009. É Atualizado constantemente.
Precisa de ajuda?
facebook.com/RescueLanguage
rescuelanguage.sf.net
NoRedirect Requires Restart
NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.
Fire IE (FireIE, Enhanced IE) Requires Restart
Embeds Internet Explorer(IE) to use the powerful Firefox add-ons.
Not only an enhanced IE Tab, but also an enhanced Internet Explorer with Adblock Plus and FireGestures support.
Switch to the IE engine in one click and dismiss your IE.
To create your own collections, you must have a Mozilla Add-ons account.