Cross-Platform GUI Builder

Qt Designer is a powerful cross-platform GUI layout and forms builder. It allows you to rapidly design and build widgets and dialogs using on-screen forms using the same widgets that will be used in your application. Forms created with Qt Designer are fully-functional, and they can be previewed so that you can ensure that they will look and feel exactly as you intended.

Learn more about Qt Designer

Translation and Internationalization Tools

Qt Linguist provides a set of tools that speed the translation and internationalization of applications. Qt supports simultaneous support of multiple languages and writing systems with a single source tree and single application binary.

Learn more about Qt Linguist

Customizable Documentation and Help File Reader

Most applications need online documentation or a help file. Qt Assistant is a configurable and redistributable documentation reader, which can be easily customized and redistributed with your Qt application.

Learn more about Qt Assistant

Cross-Platform Build Tool

qmake is a cross-platform build tool that simplifies the build process for development projects across different platforms. qmake automates the generation of Makefiles so that only a few lines of information are needed to create each Makefile.

Learn more about qmake

Visual Studio .NET and Eclipse IDE Integrations

Qt is integrated with the Microsoft® Visual Studio® .NET and Eclipse® integrated development environments. This means Qt programmers can use the IDE they are most comfortable with to do cross-platform development.

Learn more about Qt's integrations with Visual Studio and Eclipse

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. 
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