Zukitwo - Zukitwo is a Gnome Shell and GTK theme that currently works on Gnome Shell 3.14 and the latest version of GTK.
Effin Amazing UTM Builder - Add UTM tags to your links from a Chrome Extension
Dark Language - Holistic language, editor, and infra for building backends
UTMBuilder.net - Easiest UTM tags builder
adapta-gtk-theme - An adaptive Gtk+ theme based on Material Design Guidelines - adapta-project/adapta-gtk-theme
InterestExplorer - Discover 1000's of hidden Facebook interests to target.