Swift for Windows

Write in Swift, Run on Windows
Swift for Windows is an open source project that provides an easy-to-use development environment for Swift programming for Windows applications.
Swift for Windows 1.6
Thu Jun 8, 2017

Swift for Windows 1.6 Released

includes GUI written in Swift

System Requirement

Windows 10 64bit

How to use "Swift for Windows"

Step 1: Write a basic program in Swift with your favorite editor.
Step 2: Open "Swift for Windows 1.6" and click 'Select File' to choose your file.
Step 3: Click 'Compile' to compile your program.
Step 4: Click 'Run' to run on Windows.

wxSwift alpha version

Above GUI program is written in Swift and the source is included. You can write an experimental wxSwift program as follows.
import wx

var app = wx.App()

_ = wx.MessageDialog(wx.Window(), "Hello Window", "HelloWin", style:wx.OK).showModal()