Build High-Performing Apps for Desktop, Mobile, and Web

Create your cross-platform apps for desktop and mobile without compromising quality or speed.


Explore Qt Framework

Industry Leaders Develop Applications with Qt

EFFICIENT

Streamline Your Development

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 when developing a desktop or mobile application.

CONSISTENT

Uniformity Across Platforms

Customize your environment with a variety of tools that accelerate development and testing throughout your entire application development life cycle with our cross-platform framework. Now you can build an app for Android and iOS, without needing to worry about elements looking out of place.

ADAPTABLE

Productivity, No Compromises

Impress end users by improving your 2D/3D UI design and development. Whether you’re working with Python or C++, our custom UI editor, HMI design and development tools, and platform-agnostic software increase productivity without compromising performance.

Qt for App Dev 1

Innovative Desktop and Mobile App Development

Developing applications from scratch is slow because components such as UI elements and middleware need to be implemented first. By using ready-to-go software libraries with over 5 million lines of code, you can focus on building innovative products instead tinkering with the fundamentals of your C++ or Python applications.

Read More About Designing GUI for Python

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Code Once, Deploy Everywhere

Whether you’re deploying apps on Mac, Linux, or Windows, spending your time adapting them to different platforms isn't fun. Qt's cross-platform APIs allow you to write your code once and let us take care of the platform adaptation – even to web, with WebAssembly.

Explore Qt for WebAssembly

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Improve Productivity & Spotlight Performance

Coding high-performing applications for desktop and mobile which maximize the customer experience on particular hardware is challenging without great tools. Qt's Performance Profiler and Qt Compiler Tools ensure your code is performing at maximum capacity in your C++ or Python application.

Read Why C++ Was Chosen the Programming Language of 2022

Get Started With Qt for Application Development

Download & Try

New to Qt and want to try our framework for app development before you buy? Download a free trial of the Qt framework, tools for desktop and mobile app development, Qt Design Studio, plus other enterprise add-ons like the Qt Digital Advertising platform.

Download a Trial Version

Licensing & Pricing

Qt for Application Development is a solution to develop and deploy your high-performing applications on desktop and mobile target platforms. Qt For Application Development licenses starts at $302/month per developer.

Discover Licenses & Features

Qt Learning

Want to know how to develop desktop applications, or where to contribute to open source? Watch our helpful video tutorials that guide you through installing and using the Qt framework. Get started with our course material, webinars, and other intuitive learning tools.

Start Learning Qt Today

Customer Stories Written with Qt

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Built with Qt

S3 Fuzion's Xelorate

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Xelorate is a cloud app for Electronics Part Research, offering real-time supplier-engineer interaction with Qt framework's high-performance JavaScript and C++ integration for superior performance.

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Built with Qt

Esri ArcGIS Maps SDK for Qt

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ArcGIS Platform and Maps SDK for Qt let Esri deliver premium mapping and location services across desktop, mobile, and embedded platforms with Qt's cross-platform support.

Bricsys Customer Story Qt
Built with Qt

Bricsys

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Bricsys, a global provider of BricsCAD®, offers top-tier 2D and 3D CAD software for architects, engineers, and designers. Qt enabled faster development with a better UI for their cross-platform app.

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Built with Qt

ThinLinc

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ThinLinc, a Linux Remote Server, leverages Qt in its major architectural upgrade for state-of-the-art functionality and look-and-feel.

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Qt for MCUs 2.8.1 LTS (Long-Term Support) has been released and is ava...

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Qt Tools for Android Studio 3.0 Released

We are happy to announce the release of Qt Tools for Android Studio 3....

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