Yes, another Mac browser to try, this one developed using Cocoa, Objective-C, and WebKit. Flock does browser social networking angle, Sunrise aims a few features towards developers, otherwise it’s Safari under the hood.
Sunrise is the open-source web browser that (is) based on (the) WebKit framework for Mac. It is light and fast.
9WR – Sunrise: WebKit, visual bookmarks, multiple search engines, thumbnails, window fader.