Developers
Developers Price. Buy. Download. Try.

Qt Licensing

Learn how to make the most of Qt tools, with options for commercial licensing, subscriptions, or open-source.

Qt Development Framework & Tools Licensing

Whether you're developing a mobile application, an embedded device, or desktop software, we offer flexible licensing plans that make getting your project off the ground easier. From open-source to enterprise-level solutions, our diverse range of licenses ensures that you have the freedom to choose the best fit for your product's specific requirements.

Open source user?

Find out how you can use Qt under the (L)GPL and contribute to the Qt project.

Go to Open Source

  • Qt for Application Development
  • Qt for Device Creation
  • Qt Design Studio
  • Other

Qt for Application Development Professional

A development framework and tools to develop high-quality, fast cross-platform applications for both desktop and mobile.

Highlights:

  • Subscription
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create applications)
  • Installation Support
  • All Open Source Qt features including Qt Creator and Design Studio Professional

Best for:

Developing basic Desktop and Mobile applications.

Use cases:

Qt for Application Development Enterprise

A development framework and tools to develop high-quality, fast cross-platform applications for both desktop and mobile.

Highlights:

  • Subscription
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create applications)
  • Standard Support
  • Customer Success included
  • All Qt for Application Development Professional features including M2M, Qt Quick Compiler, Extensions and VNC Server

Best for:

Developing advanced and connected Desktop and Mobile applications.

Use cases:

Qt Community Edition

Create robust, speedy cross-platform solutions using Qt Community Edition.

Highlights:

  • Mandatory to comply with (L)GPL
  • All Open Source Qt features including Qt Creator and Design Studio Professional

Best for:

The Qt open source licensing is ideal for use cases such as open source projects with open source distribution, student/academic purposes, hobby projects, internal research projects without external distribution, or other projects where all (L)GPL obligations can be met.

Acquiring a Qt for Device Creation Distribution license is required when you purchase either Qt for Device Creation Professional or Qt for Device Creation Enterprise. The Qt for DC Distribution license is volume-based.

Qt for Device Creation Professional

A development framework and tools to develop robust, high-performance software solutions for various embedded systems.

Highlights:

  • Subscription + volume-based distribution fee
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create both, applications and devices)
  • Standard Support
  • Customer Success included
  • All Qt for Application Development features including ready made embedded images, embedded tools, Qt for MCUs for non-automotive target platforms

Best for:

Developing basic embedded devices.

Use cases:

Qt for Device Creation Enterprise

A development framework and tools to develop robust, high-performance software solutions for various embedded systems.

Highlights:

  • Subscription + volume-based distribution fee
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create both, applications and devices)
  • Standard Support
  • Customer Success included
  • All Qt for Device Creation Professional features including Qt Application Manager, Qt Interface Framework, Qt for Android Automotive, Qt Safe Renderer, Qt for MCUs for all target platforms (including automotive)

Best for:

Developing complex systems with safety criticality.

Use cases:

Qt Community Edition

Create robust, speedy cross-platform solutions using Qt Community Edition.

Highlights:

  • Mandatory to comply with (L)GPL
  • All Open Source Qt features including Qt Creator and Design Studio Professional

Best for:

The Qt open source licensing is ideal for use cases such as open source projects with open source distribution, student/academic purposes, hobby projects, internal research projects without external distribution, or other projects where all (L)GPL obligations can be met.

Qt Design Studio Professional

A single unified design framework to transform designs into a fully functional user interface. 

Highlights:

  • Subscription
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create both, applications and devices)
  • Standard Support
  • Customer Success included
  • All Open Source Qt Design Studio features

Best for:

Designing and composing basic GUIs.

Use cases:

Qt Design Studio Enterprise

A single unified design framework to transform designs into a fully functional user interface.

Highlights:

  • Subscription
  • No need to comply with (L)GPL
  • Commercial Terms & Conditions included (create both, applications and devices)
  • Standard Support
  • Customer Success included
  • All Qt Design Studio Professional features including Bridges, Variant, Management, Shader Creation Tools, Profiling Tools, Simulink Support

Best for:

Designing and composing with full designer end-to-end workflow.

Use cases:

Qt Design Studio Community Edition

Craft versatile designs for use with Qt Design Studio Community Edition.

Highlights:

  • Mandatory to comply with (L)GPL

Best for:

The Qt open source licensing is ideal for use cases such as open source projects with open source distribution, student/academic purposes, hobby projects, internal research projects without external distribution, or other projects where all (L)GPL obligations can be met.

Qt Insight

Analytics solution to track performance and user activity in your application or device through an analytics solution that uncovers hard-to-access data.

Highlights:

  • Subscription + volume-based event fee
  • Licensed separately for each product you want to analyze
  • Includes Qt Tracker library

Best for:

Making data-driven product decisions and monitoring the user behavior, performance, and user engagement of an application or device.

Qt Digital Ads

Digital Advertising Platform that helps to integrate in-app advertising into your mobile, desktop, or embedded software applications.

Highlights:

  • Monetized ad impressions fee, no license needed
  • Includes SSP (Supply Side Platform), DSP (Demand Side Platform), DMP (Data Management Platform) and AdExhance / Ad Networks

Best for:

Generating additional revenue streams through in-app ads, transforming your mobile or embedded application into a profitable asset.

Use cases:

Qt Quality Assurance Tools Licensing

From code analysis and automated testing solutions to performance monitoring tools, our licensing plans offer the flexibility and scalability you need to ensure the quality of your product at every stage of development.

  • Squish
  • Coco
  • Test Center
  • Axivion

Squish

Multi-platform, object-aware automated GUI testing for virtually any toolkit.

Highlights:

  • Floating subscription
  • Anybody can use Squish in any location
  • License Manager enables usage and ensures quality

Best for:

Automating GUI testing and ensuring UI behaves as expected on almost any platforms and technologies.

Use cases:

Coco

Cross-platform, cross-compiler advanced code coverage analysis & Tool Qualification.

Highlights:

  • Floating subscription
  • All languages included

Best for:

Measuring and analyzing code coverage in C, C++, C#, and QML and identifying untested parts of the codebase. 

Use cases:

Test Center is naturally coupled with Squish or Coco. A pre-purchased Squish or Coco license is required to purchase Test Center.

Test Center

Centralized test result storage and analysis platform connecting testing and the entire development process.

Highlights:

  • Floating subscription

Best for:

Connecting test automation with the entire development process by offering advanced analytics and reporting.

Use cases:

Axivion Suite

A comprehensive toolkit for stopping software erosion.

Highlights:

  • Subscription
  • Contributor-based licensing, depends on the number of technical team members (TTM) involved in the projects that are analyzed
  • Includes Axivion Static Code Analysis Pro and Axivion Architecture Verification

Best for:

Assuring the quality of complex software solutions and adhering to strict industrial standards on safety-criticality.

Use cases:

Axivion Architecture Verification

A tool to help maintain a clean and clear system structure by creating a structural model of your software architecture, flagging deviations, and combating architecture erosion and debt through targeted refactoring measures.

Highlights:

  • Subscription
  • Contributor-based licensing, depends on the number of technical team members (TTM) involved in the projects that are analyzed

Best for:

Obtaining a comprehensive overview of your entire code base to ensure that your implementation aligns with your specifications.

Use cases:

Axivion Static Code Analysis Pro

An analysis tool that identifies coding violations and defects early on, supporting a wide range of metrics and guidelines to ensure high-quality software from the start.

Highlights:

  • Subscription
  • Contributor-based licensing, depends on the number of technical team members (TTM) involved in the projects that are analyzed
  • All Axivion Static Code Analysis features including Cycle Detection, Clone Detection and Clone Management

Best for:

Maintaining high-quality coding standards, including those related to safety and security.

Use cases:

Axivion Static Code Analysis

An analysis tool that identifies coding violations and defects early on, supporting a wide range of metrics and guidelines to ensure high-quality software from the start.

Highlights:

  • Subscription
  • Contributor-based licensing, depends on the number of technical team members (TTM) involved in the projects that are analyzed
  • Dead Code Analysis, Coding Guidelines, Metrics Monitoring

Best for:

Maintaining high-quality coding standards, including those related to safety and security.

Use cases:

Did you find the best licensing option for you?

If yes, check pricing here! If no, contact us to learn more

Quick Links

Terms & Conditions

License & Support agreements

Read more

Open Source Obligations

Obligations of the GPL and LGPL

Read more

Product Features

License comparison table

Read more