Zukitre is a Gnome Shell and GTK theme that works on Gnome Shell 3.14 and the latest GTK.
Ranked in these QuestionsQuestion Ranking
Pro Designed to be flat with sharp corners
The design of Zukitre differs from Zukitwo in that there are less gradients and rounded corners. It is also designed to be more flat.
Con Only supports the latest release of Gnome Shell and GTK
For Debian or Ubuntu users this theme will not work as it only supports the latest version of Gnome Shell and GTK.