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GTK

5.0
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Category of GTK:
Tags:
Open SourceFor DevelopersLinux
Description:

GTK is an open-source widget toolkit for building cross-platform desktop applications in Python, JavaScript, C++, Rust with native look on Windows, macOS, Linux.

GTK toolkit interface
Last update:
29 December, 2025
Website:
gtk.org
Contact email:
contact@gtk.org

Overview of GTK

GTK is a powerful, cross-platform widget toolkit that enables developers to create intuitive and visually appealing applications users love. Offering a comprehensive set of UI elements, GTK is suitable for projects ranging from small one-off tools to complete application suites. The toolkit provides developers with everything needed to build modern desktop applications with native look and feel across multiple operating systems. As part of the IDE ecosystem, GTK has become the foundation for many popular Linux applications while maintaining excellent cross-platform compatibility.

Developers can work with their programming language of choice through extensive language bindings, taking full advantage of official GNOME bindings that guarantee API stability and time-based releases. The toolkit's robust architecture supports projects of any scale, from simple utilities to complex enterprise applications. Built on top of GLib, GTK provides fundamental data types and system integration points that help developers avoid duplicated code and focus on application logic rather than low-level system details.

How to Use GTK

Getting started with GTK development involves installing the toolkit on your target platform, setting up your preferred development environment, and choosing from the available language bindings. Developers can begin by creating simple window applications using core widgets like buttons, windows, and toolbars, then progressively add more complex UI elements and functionality. The comprehensive documentation and active community support make it easy to find examples and guidance for specific use cases, whether you're building a simple utility or a full-featured application suite.

Core Features of GTK

  1. Cross-Platform Compatibility – Runs on Windows, macOS, and Linux with native appearance
  2. Multiple Language Bindings – Supports Python, JavaScript, C++, Rust and many other languages
  3. Comprehensive Widget Library – Complete set of UI elements for any application need
  4. Open Source Foundation – Free toolkit maintained by GNOME and active community
  5. Stable API – Well-documented, easy-to-use interface that reduces development time

Use Cases for GTK

  • Developing cross-platform desktop applications for multiple operating systems
  • Creating Linux-specific applications with native GNOME integration
  • Building small utility tools and one-off applications quickly
  • Developing complete application suites with consistent UI across platforms
  • Creating graphical applications in preferred programming languages
  • Building applications requiring theme support and custom styling
  • Developing applications with object-oriented architecture and modern features

Support and Contact

For technical questions about GTK development or contributions to the project itself, visit the official GTK website or participate in community discussions on the GNOME Discourse instance under the Platform/Core category. The active development community provides support through various channels including Matrix rooms and developer forums.

Company Info

GTK is developed and maintained by The GNOME Project, an open-source community based in the United States. The project represents a collaborative effort from volunteers worldwide who contribute to the toolkit's ongoing development and improvement.

Login and Signup

As an open-source development toolkit, GTK doesn't require user accounts or login systems. Developers can access documentation, download the toolkit, and participate in community discussions directly through the official website without any registration requirements.

GTK FAQ

What programming languages does GTK support for application development?

GTK supports multiple languages including Python, JavaScript, C++, Rust, and many others through comprehensive language bindings.

Is GTK suitable for cross-platform application development?

Yes, GTK provides excellent cross-platform compatibility, running applications on Windows, macOS, and Linux with native appearance.

What types of applications can I build with GTK toolkit?

GTK supports projects ranging from small utility tools to complete application suites with comprehensive UI elements.

What license does GTK use?

GTK is released under the GNU Lesser General Public License (LGPL).

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