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SwiftGtk is an experimental Gtk+ binding for Swift that tries to make usage of Gtk+ pleasant and "Swifty" as much as possible.
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Sources Add titlebar support to Window Aug 21, 2017
SwiftGtk.xcodeproj Add HeaderBar Aug 21, 2017


SwiftGtk is a experimental Gtk+ binding for Swift that tries to make usage of Gtk+ pleasant and "Swifty" as much as possible. Currently it implements only a small subset of Gtk+ and it works on Mac OS X and Linux.


You need to have Swift 3.1 or higher installed on your computer (tested with 3.1.1 bundled with Xcode 8.3.3) and depending on your platform you need to install Gtk+3. On Mac OS X you can also build the project with Xcode.

Mac OS X

You need to have Gtk+3 installed on your machine. Recommended way for installing Gtk+3 is through homebrew.

brew install gtk+3


You need to have Gtk+3 and Clang installed on your machine. You can easily install them with apt-get.

sudo apt-get install libgtk-3-dev clang


SwiftGtk supports Swift Package Manager so you only need to add SwiftGtk to your Package.swift.

import PackageDescription

let package = Package(
    name: "SwiftGtkApplication",
    dependencies: [
        .Package(url: "", Version(0, 3, 1))

After that run swift build in the folder where Package.swift is located. Once it builds you can execute the application .build/debug/SwiftGtkApplication.


Following code will create a window with a button that when it is pressed presents another window.

import SwiftGtk

let app = Application(applicationId: "com.example.application") { window in
    window.title = "Hello World"
    window.defaultSize = Size(width: 400, height: 400)
    window.resizable = true

    let button = Button(label: "Press Me")
    button.clicked = { _ in
        let newWindow = Window(windowType: .topLevel)
        newWindow.title = "Just a window"
        newWindow.defaultSize = Size(width: 200, height: 200)
        let labelPressed = Label(text: "Oh, you pressed the button.")




All code is licensed under MIT license.

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