NightShift automatically downloads and updates WebKit, the Safari HTML rendering engine, to the latest nightly version.
Safari
Safari offers you a superior Web experience with outstanding performance. Even the most complex of pages load at breakneck speed. In fact, Safari loads pages more quickly than any other Mac Web browser. But that's not all. Safari uses the advanced interface technologies underlying Mac OS X to offer you an all-new view of the Web, one that's much easier to use.
Shiira
Shiira is a web browser based on Web Kit and written in Cocoa. The goal of the Shiira Project is to create a browser that is better and more useful than Safari. All source code used in this software is publicly available.
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