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Cross Platform development

Qt is the leading cross-platform application and UI framework. It is used by many leading companies to develop applications that support multiple operating systems.

	Barco Barco™, a global technology company, designs and develops visualization products for a variety of selected professional markets with a strong foothold in the home and media segment, has used Qt to develop its digital projector's Communicator Touch Panel.
	High End Systems One of the world's largest entertainment lighting manufacturers, a pioneer in new digital lighting technology and producer of the industry-preferred lighting controller technology, used Qt to develop cross-platform products operating on Windows, Linux and Macintosh with a single architecture.
	VLC The popular cross-platform media player and streaming server, VLC, is built using Qt providing a cross-platform GPL compatible GUI library with good Linux and Windows support.
	Next Limit Technologies Next Limit Technologies has won technical Oscars and Academy Awards for their Qt-based app, RealFlow. Learn more about how they have used Qt to build their award-winning application.
	Lucas Film Ltd Lucas Film is using Qt to develop their cross-platform digital entertainment software at many of their subsidiaries, including Industrial Light & Magic, LucasArts, Skywalker Sound, and Lucasfilm Animation.
	Marble Marble is both a free Virtual Globe and generic map component for use in Qt 4 applications. In addition, it runs on all major platforms including Linux (Gnome and KDE), Mac OS X and WIndows thanks to using Qt technologies.
	Mathematica by Wolfram Research Wolfram Research develops the popular Mathematica application, but needed to support multiple platforms from the same code base. They used Qt to go cross-platform, plus got to market faster and increased developer efficiency.
	KOffice KOffice 2 is a free, integrated office suite, designed and developed by members of the KDE community. Qt has enabled KOffice 2 to run on all major platforms, including Linux (both KDE and Gnome), Maemo, Windows and Mac OS X.

Videos and webinars

Whitepapers

	Combining Native Application Code with the Web for Rich User Experiences
	Multi-Threaded Programming: Everything You've Always Wanted to Know, But Have been Afraid to Ask
	Developing with Qt on Windows

	Creating Cross-Platform Visualization UIs with Qt and OpenGL
	User Interface Styling Made Simple
	Putting XML to Work in Your Application with XQuery

Document Actions

Applications & Devices

Qt by Use

Qt Videos

Intro to Qt

Have a look at our video and find out how Qt will shape the future of application and UI development.

Qt in a Day

Video Teaser

Every day hundreds of millions of people are in contact with Qt. Many of the everyday products you use in a full day are powered by Qt.

Qt Everywhere

Take a look at some of the applications and devices powered by Qt. Everywhere.

Official Nokia site