Installations
GTK is available on:
Unstable releases
The latest unstable tarballs can be downloaded from download.gnome.org.
Bleeding edge
Alternatively, you can check out the latest unstable release of GTK using git.
git clone https://gitlab.gnome.org/GNOME/gtk.git
Repository Browser
You can also download the dependencies from their git repository from your web browser for gtk, glib, pango, gdk-pixbuf and atk.