The GTK+ port of WebKit is the first open source HTML render to fully pass the Acid3 test on the Linux platform. WebKit, which is Apple's increasingly popular fork of KDE's KHTML rendering engine, is used by Apple's Safari web browser and the iPhone.

We already knew that Firefox nightly beats Chrome in speed, the gap is getting wider with the latest Firefox builds (3.2a1pre). While Google Chrome uses webkit as a layout engine it uses it’s own javascript engine called V8. On the other hand webkit developers are quietly tweaking away its SquirrelFish engine for javascript speed increase.

Firefox 3.6.4 has been in the talks lately because of the intention of the Mozilla developers to add out-of-process plugins to that version of the web browser which basically means that popular plugins run in their own process instead of the main browser process.

The Arora developers have announced the release of version 0.10.0 of their lightweight, cross-platform, web browser. Arora uses the QtWebKit port of the WebKit layout engine and is intended to be compact, fast and full featured. The latest release of the browser includes a number of bug fixes, performance improvements and new features.

GNOME Split is a simple tool that allows you to split files and merge them back. It is written in Java and uses a GTK+ user interface. GNOME Split 0.6 codenamed Bengal Tiger has been released recently.

WebKit is a lightweight yet powerful rendering engine that emerged out of KHTML in 2001. Its flexibility, performance and thoughtful design made it the obvious choice for Chromium's rendering engine back when we started. Thanks to the hard work by all in the community, WebKit has thrived and kept pace with the web platform’s growing capabilities since then.

Mozilla's high-performance TraceMonkey JavaScript engine, which was first introduced in 2008, has lost a lot of its luster as competing browser vendors have stepped up their game to deliver superior performance. Firefox now lags behind Safari, Chrome, and Opera in common JavaScript benchmarks.

Yes, You can test the AIR Applications in the web browser. AIR uses the same rendering engine as Apple's Safari, so that browser will provide the most accurate results (and it's available on both Mac OS X and Windows, as of version 3). Firefox, which also run on both platforms, should also work as well. Firefox has an additional benefit - its excellent Javascript debugging tools.

Midori is a GTK-based browser with a clean interface that resembles the one of Google Chrome, using the WebKit rendering engine, and offering plenty of the usual features browsers like Firefox or Chrome ship with.