View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Copy your profile to the sdcard for easy debugging.
CookiesOK aims to automatically accept cookies on websites that are affected by the recent (26-02-2011) EU cookie laws.
This tiny add-on for Fennec simply adds a "Open Link" context menu item to the menu that appears when you press and hold for a moment on a link. This is a built-in feature on mobile Safari and Android's default browser.