Makes phpBB forum pages infinitely long instead of limited to 15 posts per page by loading more when you scroll to near the bottom of the page.

Puts the "You currently have $X.XX of Rewards payments built up!" block at the top.

Estimates how much you'll make from pending (italicized) referrals.

Lets you sort Bugzilla bug lists without contacting the server.

Automatically submits login forms where Firefox has remembered the password.

Lets you check or uncheck a range of checkboxes by clicking the first checkbox and then Shift+clicking the last checkbox.