Extension, die nach dem Download eines 3GB Wikipedia Dumps die gesamte Wikipedia offline-fähig macht
CookieSwap is an extension that enables you to maintain numerous sets or profiles of cookies that you can quickly swap between while browsing.
Make any pages' search functionality available in the Search Bar
Manage any SQLite database on your computer.
Create Prism applications directly from Firefox
This extension makes all html textareas into a very stripped-down version of Vi[m].