A beautiful theme that comes with many variations of accent colors and light/dark modes.
Itimu ye-Gruvbox
Gruvbox Material theme for GTK, Gnome, Cinnamon, XFCE, Unity and Plank.
Itimu ye-Everforest
The idea was born from the need for GTK themes that match the most prominent colour palettes of Neovim code editor and Tiling Window Manager, such as Xmonad, Awesome, DWM, etc, which use these colour schemes to give a uniform and unique look to working environments.
EKHAYA
EKHAYA
EKHAYA
A GTK+ theme for Pop!_OS
Itimu ye-Skeuos
Dark/Light theme with multiple accent colors.
Itimu ye-Layan
Layan is a flat Material Design theme for GTK 3, GTK 2 and Gnome-Shell which supports GTK 3 and GTK 2 based desktop environments like Gnome, Budgie, etc.
Itimu Emnandi
A sweet theme for TROMjaro 
EKHAYA
Nordic is a Gtk3.20+ theme created using the awesome Nord color pallete.
Windows 10 Itimu Emnyama
GTK theme based on the appearance of Windows 10 using the included dark mode.