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Ultimate GTK4

Crystal Guide

Learn how to create premium GTK4 apps in Crystal


Crystal + GTK

Learn the basics of building GTK apps using Crystal.


Hands-on tutorial

Create a system monitor app while following the tutorial.



Package your app in Flatpak, Snap, Deb & more.



Install & use app translations using Gettext.

Released under a Creative Commons Zero v1.0 Universal License