Fyne
Cross platform GUI in Go inspired by Material Design
...Combining the power and simplicity of the Go programming language with a carefully crafted library of widgets it is now easier than ever before to build your application and deploy it across all platforms and stores. When Fyne started it was with the ambition to fix all of the complicated or broken things about existing approaches. Building your software with an API like Fyne that is designed for modern languages is easy and quick to learn. Add to this that the toolkit is open source, under the permissive 3 clause BSD license, and will always be freely available. ...