Desktop

DFS

DFS Deutsche Flugsicherung GmbH is responsible for air traffic control in Germany. Its PC/Linux- based system navigation system called Phoenix used in airport towers for flight scheduling and tracking was built using Qt.

Next Limit Technologies

Next Limit Technologies has won technical Oscars and Academy Awards for their Qt-based application, RealFlow. Learn more about how they have used Qt to build their award-winning application.

KDE

KDE is an international technology team that creates free and open source software for desktop and portable computing. It is a large showcase and breeding ground for Qt technologies. The Phonon framework has evolved from the KDE community and was integrated into Qt4.4. Qt Software has put a large effort in developing Phonon and returning value to KDE.

Aria Networks

Aria Networks is a leading provider of intelligent software solutions for forecasting, planning, and optimizing converging Telecommunications Next-Generation Networks and Services.  Qt has helped Aria Networks develop a cross-platform product suite – intelligent Virtual Network Topologies (iVNT) -  which leverages world-leading, innovative Artificial-Intelligence (AI) based software to solve the complex planning challenges faced by Telecommunications companies.

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.

Google Earth™

Google Earth combines satellite imagery, maps and the power of Google Search to put the world's geographic information at your fingertips. Qt has enabled the Google Earth team to bypass tedious application infrastructure development and focus on delivering a world-class innovative user interface, providing a fresh new look at our physical environment in a cross-platform way.

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.

Skype

Skype has used Qt to develop their Linux-based client, providing them with an easy way of supporting various desktops and distributions, and integrate into the user's desktop themes.

Amarok 2

Amarok 2 is a free software, cross-platform music player  built on Qt and Qt's multimedia framework Phonon.

Walt Disney Animation Studios

Qt helped Walt Disney develop a cross-platform film production application with an advanced GUI. More importantly, Qt helped reduce development time.

Sennheiser

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.

Avogadro

Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible rendering and a powerful plugin architecture.