General
1,075 add-ons
Wordpot - The Keyword Finder by Brendon Frater
16 weekly downloads
Find keywords and research internet search volume for specific search terms.
(G)mailto: by jusore
15 weekly downloads
(G)mailto: Will load in a Firefox's tab a new email at Google Mail, so you'll start writing to that email you typed.
Scroogle (SSL) by SSL Search Bar
15 weekly downloads
*** Update: Feb 22, 2012 ***
Unfortunately, Scroogle has shut down permanently. Between Google gimping them, and a sustained DDoS, they have decided to close for good.
Moving forward, you may with to consider using Startpage or DuckDuckGo.
ScienceDirect Scientific Search by Search Master
15 weekly downloads
Elsevier's ScienceDirect is one of the largest online collections of published scientific research. The articles are grouped in four main sections: Physical Sciences and Engineering, Life Sciences, Health Sciences, and Social Sciences and Humanities.
Google NZ by Mark H Jones
14 weekly downloads
Provides a Google NZ Firefox search bar option (for New Zealand).
Splunk by thomas.knowles
14 weekly downloads
A search engine plug-in for searching the Splunk KnowledgeBase and forums.
Firefox Marketplace by Adrián Arroyo Calle
14 weekly downloads
Search WebApps in Firefox Marketplace
YouTube - All-in-one Internet Search (SSL & TLS) by Binary App Dev
14 weekly downloads
YouTube - The #1 YouTube Search Add-on - Download Now - Free & Unlimited - "A must have add-on for YouTube."
(End-to-End Encryption & Secure Encrypted SSL Suggestions)
HTTPS
Binary App Dev
DuckDuckGo Deutsch, WOT, Suchergebnis unbeschänkt by Karnomius
13 weekly downloads
Die datenschutzfreundliche Suchmaschine DuckDuckGo in der Region Deutschland, unbeschränkte Suchergebnisse und WOT-Symbole für jedes Ergebnis. WOT eine der größten Bewertungsplattformen für Websites ist in DuckDuckGo integriert, aber normal aus.
Google Drive Files Search by St3ph
13 weekly downloads
Save time for searching your files in google drive by installing the addon to directly search your google drive files from the adress bar of firefox or in the search box.
Subtitle Seeker by Ricardo Simões
13 weekly downloads
subtitleseeker.com is a free, fast and effecient subtitles search-engine combining results from multiple subtitle sites.
Additional Resources
- Learn more about the search bar in Firefox
- Browse through even more search providers at mycroftproject.com
- Make your own search tool
To create your own collections, you must have a Mozilla Add-ons account.