Mozilla Corp. today announced the winners of its third “Extend Firefox” contest

Mozilla Corp. today announced the winners of its third “Extend Firefox” contest, an annual competition that recognizes the year’s best Firefox add-ons.

This year’s contest, which launched in March and brought in more than 100 entries, focused on add-ons that took advantage of Mozilla’s newest open-source browser, Firefox 3.0.

The company awarded three grand prizes in the “Best New Add-on” category...