Circle-style and minimalist icons
Kaupapa Vimix
Ko Vimix he kaupapa Hoahoa Rauemi papatahi mo GTK 3, GTK 2 me Gnome-Shell e tautoko ana i nga taiao papamahi a GTK 3 me GTK 2 penei i a Gnome, Unity, Budgie, Pantheon, XFCE, Mate, etc.
Kaupapa Matcha
Matcha is a flat Design theme for GTK 3, GTK 2 and Gnome-Shell which supports GTK 3 and GTK 2 based desktop environments like Gnome, Unity, Budgie, Pantheon, XFCE, Mate, etc.
Kaupapa Nori
EvoPop is a modern desktop theme suite.
Ata Ata zafiro
Minimalist icons created with the flat-desing technique, utilizing washed out colors and always accompanied by white.
Ata Ata
Paper is a modern freedesktop icon theme whose design is based around the use of bold colours and simple geometric shapes to compose icons.
Nga Tohu Papirus
Papirus is a free and open source SVG icon theme for Linux, based on Paper Icon Set with a lot of new icons and a few extras, like Hardcode-Tray support, KDE colorscheme support, Folder Color support, and others.
Ataata Remix Flat
Flat Remix ICON theme is a pretty simple Linux icon theme inspired on material design.