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