PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
trashcan, Trash, recycle
Green
16x16
PNG MORE
Mixed
Koloria icons pack
base, Excel, Px
30x32
Social media
WPZOOM Social Networking Icon Set
netvibes
38x38
UI
Fugue Icons
Android
validation, valid
Headphone, plus
Magnifier, history
plus, octagon
Active, Status, online
tick, octagon
Classy Social Media Icons
bookmark
32x32
plus, Drill
megaphone, plus
Child, insert, node
next, node, insert
node, insert
plus, Circle
plus, shield
plus
Puzzle, exclamation
Arrow, Puzzle
pencil, Puzzle
Puzzle, Minus