Create interfaces, that users just love

Offering a complete set of UI elements, GTK is suitable for projects ranging from small one-off tools to complete application suites.

Currently v3.98.0

Work with the language of your choice

Develop your GTK app with your language of choice by using Language Bindings or wrappers and take full advantage of the official GNOME bindings which guarantee API stability and time-based releases.

Apps built with GTK

Developers around the world have used GTK as a platform to create apps that solve problems faced by end users.

Integrations for Rapid Application Development

Glade is a RAD tool which enables quick and easy development of user interfaces for the GTK toolkit and the GNOME desktop environment.

Check out this easy tutorial on how to create a toolbar using Glade.

Integration of Glade and GTK

A feature rich development tool

GTK has all the features that a widget toolkit needs to have. These features make it the most trusted toolkit for developing Linux applications.

Portability

Projects built using GTK and its dependencies run on well known operating systems.

Stability

GTK deliver the enticing features and superb performance which adds to your applications.

Language Bindings

GTK is written in C but has been designed to support a wide range of languages such as Python, JavaScript, C++, Rust and many more.

Interfaces

GTK has a comprehensive collection of core widgets like Buttons, Windows, Toolbars for use in your application.

Open Source

GTK is an free and open source project maintained by GNOME and an active community of contributors.

API

GTK boasts of an easy to use API which helps in decreasing your development time and produce better results.

Accomodation

GTK caters for a number features like Native look and feel, theme support, Object oriented approach that today’s developers look for in a toolkit.

Foundations

GTK is built on top of GLib. GLib provides the fundamental data types and system integration points to avoid duplicated code in applications.

Develop with GTK

By taking the advantage of GTK being a cross-platform development tool and it’s easy to use API, you can develop amazing apps using the GTK. If you are interested in developing an app, get started now by developing this example application.

Develop GTK

GTK is a large project and relies on volunteers from around the world. To help us with the project development, hack away on the existing bugs and feature requests.

Looking for Help?

If you want to ask questions about GTK, whether it’s for developing applications with GTK or contributing to GTK itself, you can use the GNOME Discourse instance, under the Platform/Core category. You can use tags like gtk or glib to narrow down the topic of discussion to specific libraries. You can also ask questions on our IRC channel.

News and Events

Catch up with GTK development

Get in touch with GTK developers through IRC. Get daily updates about GTK and its community from GTK blog or through it’s twitter handle.

Meet the community

As regularly as possible, GTK team meetings take place at conferences and hackfests to discuss the future of GTK and define a roadmap.

Contribute to GTK

If you are a developer and want to contribute towards GTK, you are more than welcome to do so. Get started now to get some familarity to GTK.