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Explore our thoughtfully curated collection of developer resources that are conveniently located, all in one place. The Qt Documentation is the official guide for developers using the Qt framework. It offers a comprehensive overview, from beginner tutorials to detailed class references. Maintained by the Qt team, it's the go-to source for reliable information, examples, and best practices in Qt development. The QWidget class is the base class of all user interface objects. The QString class provides a Unicode character string. The QLineEdit widget is a one-line text editor. The QComboBox widget is a combined button and popup list. The QObject class is the base class of all Qt objects. The QAbstractItemModel class provides the abstract interface for item model classes. Join the Qt Forum for like-minded individuals, engage in stimulating discussions, and get expert guidance on all things Qt. The Qt Wiki is a central hub for Qt Users, offering a wealth of information and resources curated and maintained by the Qt community. Immerse yourself in our developer's blog — a goldmine of product updates, releases, and industry insights. Read Blog Qt welcomes contributions from everyone. As open source software, Qt offers you the opportunity to leave your mark and be part of its development. How to contribute Source code contribution guidelines Bug reporting Code review The Qt framework powers BOMAG's myCOCKPIT HMI. Read more Precision Planting is a leading provider of agriculture technologies that upgrade a farmer’s existing planter, air seeder, drill, sprayer, liquid fert... Read more Blue Ctrl AS develops marine automation systems based on its comprehensive, state-of-the-art X-CONNECT® automation platform. Built entirely on the Qt ... Read more Almex uses Qt to develop "Mynatouch," a card reader with face recognition that supports online qualification verification. Read more View All Customer Stories Contact Us Qt Group includes The Qt Company Oy and its global subsidiaries and affiliates.
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