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NetBeans IDE is Oracle's no-cost open source IDE for primarily designed for Java, though it includes robust support for the PHP and C/C++ languages as well. It is available for the Windows, Apple Macintosh, Oracle Solaris and Linux platforms.
Oracle started building HTML5 support into NetBeans 7.3, and 7.4 continues this work. This version allows developers to build HTML5 functionality directly in their Java and PHP applications, rather than working on the HTML5 code as a separate part of the project.
NetBeans 7.4 also provides emulators that can show developers what their HTML5 applications would look like and how they would operate in iOS and Android-based browsers.
Web developers can now also use Sassy CSS and LESS preprocessor files in NetBeans, which saves time in building complex CSS (Cascading Style Sheets) for applications.
For the Java developers, NetBeans now recognizes the new Profiles and Lamba functionality that is being built into the upcoming release of Java 8.