Do you know how to write addons?

Ready to make the next great web experience?

Take part in the Extend Firefox Contest!

Firefox has been developed with hackabilty in mind. It means you can add new cool features and change all the existing mechanisms. You can create your own rules, upgrade the User Experience and adapt Firefox or websites to your own needs.

Everything is possible with add-ons.

Extend Firefox 3.5 is open and runs through October 2nd, 2009.

More details:

Be creative, hack!

Hacking