This is my shortcut page listing all of the Mac OS X Safari modules / bundles / extensions / plugins page.

Type Ahead Find (mozilla style): fiwt (FInd While Typing) for Safari

Flash / Ad blocking: PithHelmet
Pith Helmets have something to do with safaris... But this is a nice ad/flash blocker for Mac OS X Safari.

Location bar Shortcuts (mozilla style): Sogudi See the FAQ for the name explanation. Other modules: Type Ahead Find for Mail.app and iPhoto: type ahead