PNG ICO ICNS MORE
Primo
open, Message, Letter
Gainsboro
128x128
PNG ICO MORE
Quartz
Email, envelop, mail
64x64
PNG ICO ICNS SVG MORE
UI
Smooth
Snipicons
open, Box
512x512
PNG MORE
Pixel
GIS
Layer, open
24x24
open, Map
open, mapset
open, mail
Computer & hardware
3D
Discovery
Letter, open, mail
32x32
open, Letter, mail
Network & communications
Oxygen
open, project
48x48
Desktop apps
KDE Crystal Diamond
mail, open, envelope
Crystal Clear
password, open, private