Dig Deeper Into Qt: Module by Module
The Qt class library is broken down into separate modules, each containing a specific set of application building blocks.  For a comprehensive overview of functionality by module, visit the module overview in the Qt documentation.

Build Advanced User Experiences, Faster

Qt is the standard framework for developing advanced cross-platform GUI applications. The Qt C++ class library contains a rich set of graphics features for 3D visualization with OpenGL® and a powerful 2D graphics canvas, as well as a full widget toolkit and features for easy UI styling.

Learn more about GUI features and 2D/3D graphics features

Build Connected Applications

The Qt C++ API provides functions to build connected applications across platforms, including XML and database support, an integrated ECMA standard scripting engine, and robust networking functionality.

Learn more about XML, networking, database and scripting support

Differentiate with a Rich User Experience

Qt allow companies to differentiate with web and multimedia-enriched user experiences. Qt includes an integration with the WebKit open source web rendering engine, and with the KDE Phonon cross-platform multimedia engine.

Learn more about the Qt WebKit Integration and multimedia support

Build High-Performance Applications

The Qt API builds on C++ to provide powerful functionality for parallel programming. Qt's cross-platform multi-threading functionality simplifies parallel programming, while added concurrency features make it easier to take advantage of multi-core architecture.

Learn more about Qt's multi-threading and concurrency features

Try Qt for Yourself: Download a Free Trial
Evaluation versions of Qt are available with full source code for Windows, Mac, Linux, Embedded Linux and Windows CE. 
Download now!