Arc is a flat theme with transparent elements for GTK 3, GTK 2 and GNOME Shell which supports GTK 3 and GTK 2 based desktop environments like GNOME, Unity, Pantheon, Xfce, MATE, Cinnamon (>=3.4), Budgie Desktop (10.4 for GTK+3.22) etc. …Faʻaauau le faitauArc Maia Autu
Minimalist icons created with the flat-desing technique, utilizing washed out colors and always accompanied by white. …Faʻaauau le faitauFa'ailoga Zafiro
Paper is a modern freedesktop icon theme whose design is based around the use of bold colours and simple geometric shapes to compose icons. …Faʻaauau le faitauPepa Ata
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. …Faʻaauau le faitauFaailoga Papirus