Try the libraries and tools that deliver next-generation user experiences to your customers in record time.  


Code Once, Deploy Everywhere

Deploy a single code base on all major platforms with highly intuitive Qt APIs. Reuse modular library classes for any software project to save enormous amounts of development time.

Productivity-enhancing tools

Customize your development environment with a variety of tools that accelerate development and testing throughout your entire  application development life-cycle.

Beautiful and responsive UIs!

Impress users with smooth-looking 2D/3D UI applications. Ready-made UI libraries, modern design tooling, auto-scaling functionality, increase productivity without compromising on performance.



Tableau, a leader in business intelligence and analytics, is changing the way people see and leverage data.

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Produce Great Quality Work In Less Time With Zenreader.

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“Using Qt and QML allows us to dramatically cut our development time and costs. All of our engineers work on one codebase rather than needing specialists for each platform.”

Kevin Kavanagh,
CEO, Hiri

Here's how they do it

Industry leaders innovate with Qt

The Complete Framework

Qt is a complete development platform that includes user-friendly APIs and libraries, as well as a wide variety of productivity-enhancing tools.

Libraries & APIs   

Extensive libraries and intuitive APIs making development faster.

Design & development tools   

Everything you need to design, develop, test and maintain your software.

Qt Charts   

Components for compelling data visualization design.

I/O Classes   

Handle streams, enable interoperability.

Qt SQL   

Access and manipulate data from a variety of databases.

Qt Multimedia   

Classes for streaming, audio, video, radio and camera functionality.

Network and connectivity   

Web integration, high- and low-level network and inter-process communication.

Qt 6 QML book

The Qt 6 QML book

Online book

This free book provides you with a walk-through of the different aspects of application development using the new Qt 6. It focuses on the Qt Quick technology and includes necessary information about writing C++ back-ends and extensions for Qt Quick.

Enjoy a good read!

Join BETA: Qt Insight

Learn your customers. optimize experience.

We recently launched the beta program of our new analytics solution, Qt Insight. Insight allows you to track and analyze real customer usage data of your embedded devices. We're still looking for participants – join the program now to help us shape the full product with your feedback!

Join the Beta Now!


Qt Insight