PNG SVG MORE
Social media
Smooth
Icocentre Free Icons
Back, send
Black
508x512
PNG ICO ICNS SVG MORE
Mixed
Tango Icon Library
receive, mail, send
512x512
PNG ICO ICNS MORE
Desktop apps
Farm-fresh
send, receive, Email
32x32
Shiny Icon Set
mail, Message, envelope
64x64
PNG MORE
Files & folders
Spirit20
Closed, send, mail
20x20
mail, Closed, send
mail, open, send
Bunch of Bluish Icons
send, group, Community
send, user
Simplicio
send, mail
128x128
UI
Ultimate Gnome
send, Move, right
256x256
KDE Crystal Diamond
22x22