Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
Ello - Welcome to the Creators Network. Ello is a community to discover, discuss, publish, share and promote the things you are passionate about.
Dark Language - Holistic language, editor, and infra for building backends
Dribbble - Shots from popular and up and coming designers in the Dribbble community, your best resource to discover and connect with designers worldwide.
adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme
Sideway - A community of designers showcasing published work.