ARPAY - Buy gift cards at ar-pay.com, which allow you to access your favorite internet services: online games, e-wallets and console games, online shopping cards and many more!

Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.

G2A - Enjoy the vast offer of Steam, Origin, Uplay, Battle.net, GOG, PSN and XBOX CD-Keys at the most attractive prices on the market. Don’t overpay – buy cheap on G2A.COM!

Dark Language - Holistic language, editor, and infra for building backends

Kinguin - Marketplace to buy/sell game keys for a myriad of platforms including: Battle.

adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme