Downloads — Qt - A cross-platform application and UI framework

Choose Your Download
LGPL
Commercial

Qt is available for download as a free 30-day commercial evaluation, or under the LGPL open source license.

	LGPL	Commercial
Charge for development licenses
Changes to Qt source code must be shared
Can create proprietary application
Technical support available ^{(Learn more)}
Keep distribution licensing options open
	Go LGPL	Go Commercial

The above table is a summary only. For details on licensing, visit the Qt licensing page.

Unsure which license is right for you?

See this blog post and presentation for more details. If you are still unsure, contact us to learn more.

LGPL

Qt SDK: Complete Development Environment

Qt: Framework Only

Qt SDK Icon The Qt SDK includes the tools you need to build cross-platform applications with Qt in a single install.

Be sure to check if Qt and Qt Creator are supported on your platform.
*Based on MinGW (download sources) tool set. Does not support VS compiler.
**Verified on Kubuntu 8.04 and 8.10.

Don't need the complete SDK? Download source packages of the Qt framework only. You can choose between LGPL and GPL during the installation process.

Qt Supported Platforms | Known Issues

Commercial

Choose Your Platform

Why choose a commercial license?

By registering to evaluate, you will get access to both the Qt SDK and the standalone Qt framework.

The Qt Commercial License is the correct license to use for info-circles-3d the development of proprietary and/or commercial software with Qt where you do not want to share any source code.

Use, modify and redistribute Qt with no obligation to share your source code
Access technical support and product updates
Enjoy greater freedom to license your application as you wish

To find out more, visit the Qt licensing page.

Qt Creator IDE	Qt Jambi - Java bindings	Other downloads
Qt Creator is a new cross-platform integrated development environment for use with Qt. Binaries Qt Creator 1.3.1 Binary for Windows (40 MB) Qt Creator 1.3.1 Binary for Mac (67 MB) Qt Creator 1.3.1 Binary for Linux/X11 32-bit (42 MB) Qt Creator 1.3.1 Binary for Linux/X11 64-bit (48 MB) Source Package Qt Creator 1.3.1 Source Package (12 MB) Qt Creator Supported Platforms \| Known Issues	Qt Jambi 4.5.2_01 is a port of Qt 4.5.2 to the Java programming language. Binaries Qt Jambi 4.5.2_01Binary for Windows 32-bit Qt Jambi 4.5.2_01Binary for Windows 64-bit Qt Jambi 4.5.2_01Binary for Mac Qt Jambi 4.5.2_01Binary for Linux/X11 32-bit Qt Jambi 4.5.2_01Binary for Linux/X11 64-bit Eclipse Integation Qt Jambi 4.5.2_01 for Linux/X11 32-bit Qt Jambi 4.5.2_01 for Windows Source Package Qt Jambi 4.5.2_01 Source Package (tar.gz) Qt Jambi 4.5.2_01 Source Package (zip) Repository http://gitorious.org/qt-jambi	Qt 4.7 Technology Preview Qt Creator 2.0 Technology Preview New Qt APIs Beta Qt Eclipse Integration Nokia Smart Installer for Symbian Beta Visual Studio Add-in (44 MB) Want to use Qt together with Visual Studio on Windows? Download the Visual-Studio add-in, which can be used for development together with all Qt licenses. ^{(What's this?)} ftp.qt.nokia.com - Archive You can find our archive of previous Qt releases here. Qt Solutions Add-on components and tools for Qt. View Catalogue \| Download from ftp

Qt and related tools are available for download under the LGPL and GPL licenses. For more information about Qt licensing, please visit the Qt licensing page.

Sections

Qt is available for download as a free 30-day commercial evaluation, or under the LGPL open source license.

LGPL

Commercial

Go LGPL

Go Commercial

Unsure which license is right for you?

Qt SDK: Complete Development Environment

Qt: Framework Only

Choose Your Platform

Why choose a commercial license?

Qt Creator IDE

Qt Jambi - Java bindings

Other downloads

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