LessChromeHD for Firefox add-on auto hides the URL bar and other toolbars and shows it only when necessary. This restart less add-on hides the toolbars like the location bar navigation until you point at the tabs to get them back. LessChromeHD for Firefox...

The Add-on SDK provides powerful APIs and tools that allow developers to create add-ons for Firefox using HTML, CSS and JavaScript. When your add-on is complete, we make it easy to share it with over 400 million Firefox users world wide. The Add-on SDK...

Add-on Builder provides powerful APIs and tools that allow developers to create add-ons for Firefox using HTML, CSS and JavaScript. When your add-on is complete, we make it easy to share it with over 400 million Firefox users world wide. The Add-on...

Prospector - Instant Preview is an extension for Mozilla Firefox. Results that get highlighted in the Awesome Bar suggestions will automatically start loading, so by the time you confirm that the first result is the one you want, the page might be all...

Prism

Prism 1.0 beta 4

Prism is a XULRunner based browser that hosts Web applications without the normal Web browser user interface. WebRunner is based on a concept called Site Specific Browsers (SSB). An SSB is an application with an embedded browser designed to work...

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Blekko

Blekko 1.0

40% of search queries are navigational: meaning that a single home page exists that answers the search. The Blekko addon enables direct navigation to such home pages from search bar auto-completion drop down. If the completion is not navigational, then...

Rainbow for Firefox is an early developer prototype from Mozilla Labs that enables web developers to access local video and audio recording capabilities using just a few lines of JavaScript. The add-on generates files encoded in open formats: Theora (for...

Add-ons Builder is a Web app for quickly and easily building Firefox add-ons using common Web technologies. The add-ons you build can make changes to the browser via libraries of modules that provide APIs for accessing Firefox functionality. The core...

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Prospector: Speak Words helps you get to sites that you frequently visit by typing just a few letters in the location bar and having Firefox fill in the rest of the word as well as selecting the first result. From there, just press Enter to go to that...