• Mozilla Hacks – the Web developer blog
  in Public bookmarks with firefox
• StatCounter (OS, browsers ...)
  StatCounter Global Stats
  in Public bookmarks with firefox it linux by 7 users
• Zotero
  Zotero is a free, easy-to-use Firefox extension to help you collect, manage, and cite your research sources.
  in WebTools with firefox tools by 41 users
• Web Developer
  The Web Developer extension adds a menu and a toolbar to the browser with various web developer tools
  in Public bookmarks with firefox webmastering
• Mycroft Project
  Search Engine Plugins - Firefox & IE7
  The Mycroft Project provides a collection of Sherlock and OpenSearch Search Engine Plugins / Search Providers for Mozilla Firefox, SeaMonkey and IE8.
  in Public bookmarks with firefox search_engine by 2 users

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