Particularly useful for auto-restore of tabs/windows from last session.

Interface Builder Plugin for Cocoa on Mac OS X

Encapsulation of the common "find me X random records" idiom, with better performance than naïve implementations. Open-source extraction from Ben Tucker of GreenRiver.org. Expect to see more of these!

Plugin for Safari that adds keyword search to the browser’s address bar. (Exactly what I've been missing from Firefox)

a rails plugin to make generating lightboxes easier