Mozilla Labs
LessChrome HD for Firefox
FreeHide the URL bar and other toolbars and experience full screen browsing.
WindowsPrism
FreeHost online applications without Web-browser user interface.
Windows
Mozilla F1
FreeShare links to social networking and e-mail services from within Firefox.
Windows
Prospector: Find Suggest
FreeFind and suggest the words you seek on a page, as you type it.
WindowsMozilla Contacts
FreeEnhance Thunderbird's address book with contacts from your social networking sites.
Windows
Mozilla Lab Kit
FreeGet new features and experiments from Mozilla Labs on your browser.
Windows
Ubiquity
FreeSet dynamic commands for your Firefox browser.
Windows
Firefox Share alpha
FreeShare links fast
WindowsProspector - Instant Preview
FreeStart loading pages as you select them from the location bar suggestions.
Windows
Mozilla Labs: Rainbow
FreeGet audio and video from your browser.
Windows
Mozilla Labs: Prospector Query Stats
FreeDisplay information about past history on your browser.
Windows
Prospector: Speak Words
FreeFill in the rest of words as you type them in the location bar.
WindowsThunderbird Contacts
FreeEnhance Thunderbird's address book with contacts from your social networking sites.
WindowsAdd-on SDK
FreeBuild add-ons using popular and common technologies.
WindowsAdd-on Builder
FreeCreate powerful Firefox add-ons using just HTML, CSS, and JavaScript.
Windows
Add-on Builder
FreeBuild Firefox add-ons via Web client.
WebwareJetpack SDK Beta
FreeBuild add-ons using popular and common technologies.
Windows
TowTruck
FreeCollaborate in real-time through your browser easily
Webware
