"Safari Omnibar is a Safari SIMBL plugin aiming at mimicing the Chrome's smart location bar which combines location and search."

ADC Search is an extension for Safari that lets you search directly on the Apple Developer website.

When searching in Google for Apple framework keywords, results from the ADC (Apple Developer Central) website are usually buried.This extension provides search results directly from the ADC website.

"a Safari Extension that allows you to listen to your the music in your Dashboard, iTunes style."