Boston is a minimalist and functional icon theme focused on basic shapes, a reduced color palette and visual hierarchy.
Icones Newaita
Linux icon theme
Icones Numix
Beautiful icons for Linux
Icones d’Obsidiana
Gnome Icon Pack based upon Faenza, optimized for dark themes
Icones Qogir
A flat colorful design icon theme for linux desktops
Icones Vimix
Vimix icon theme is based on Paper-Icon-Theme
Icones de xenisme
Wildfire is an icon theme for any system.
Sardi Icons
Circle-style and minimalist icons
Icones de Zafiro
Minimalist icons created with the flat-desing technique, utilizing washed out colors and always accompanied by white.
Paper Icons
Paper is a modern freedesktop icon theme whose design is based around the use of bold colours and simple geometric shapes to compose icons.