PNG ICO ICNS SVG MORE
UI
Glyph
Google Material Design icons
forum
Black
512x512
PNG ICO ICNS MORE
Pixel
Gnome icons
forum, friends, people
48x48
Tango
forum, system, Users
32x32
3D
Nuvola
dicussion board, happy, references
128x128
friends, persons, group
Crystal Clear
forum, people, group