Track Package Requires Restart
Track Packages from the right-click menu...
SearchWith Requires Restart
Search selected text with various search services...
WikiSearch Requires Restart
Search Wikipedia through the context menu.
safeSERP Requires Restart
Prevents Google and Yandex from obfuscating and hijacking links in SERP.
Allows to copy/paste *direct* links from Google/Yandex search results instead of redirects.
Babylon Dictionary Word Search Requires Restart
Find the definition for a selected word in a web page or an email.
Right click over the selected word, choose the option "Search in Babylon" and that's it! You will have a new window with the definition of the selected word.
Keeps track of all the submissions you viewed on Reddit
Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart
IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.
lolifox - Fierr MOD Requires Restart
Replaces the error page with a lolifox appearance with additional features.
Singlish to Sinhalese Requires Restart
Singlish to Sinhalese Conversion provide by Subasa Language Service
QuickDrag Requires Restart
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.
googlebar Requires Restart
The original (though unofficial) Google toolbar for Firefox, with an emphasis on easy access to many types of specialized searches.
Looks up the definition of words on a Web page.
YouTube Videos Download in one click Requires Restart
Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.
Open google instantly with this super fast add on.And its just < 10KB.!
No need to type google in your address bar anymore.Just try this awesome to open up google instantly.
Search in the address bar without changing your search engine.
Zhong Wen Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
Search IP Requires Restart
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
AutoPager Requires Restart
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.
Ubuntistas menu Requires Restart
A menu for easy browsing the Greek Ubuntu sites and not only.
XUL/Migemo Requires Restart
This provides dictionary-assisted search (Migemo search) and regular expression powered search for "find in this page" and other features.