PNG ICO ICNS SVG MORE
Avatars & smileys
Glyph
Human Movement
pose, Behaviour, good
Black
512x512
Business & finance
Free Misc Icon Set 1
good, Check, ok
PNG ICO ICNS MORE
UI
Round UI Buttons
ok, tick, yes
OliveDrab
PNG SVG MORE
Math & Business
creative, sign, true
506x512
Social media
Flat
Circle Flat - free
Connection, share, Facebook
SteelBlue
Mixed
Handdrawn
Social Messaging & Productivity
yes, ok, tick
star, Like, good
Very Basic. Android L (Lollipop)
done, check mark, good
Signs & symbols
Social Buttons
Up, thumb, valid
MediumSeaGreen
Free basic
Accept, checkmark, Check
DarkSeaGreen
PNG ICO MORE
Jolly Icons Free – 36 Hand-Drawn UI Icons
Agree, Up, hand drawn
64x64
PNG MORE
Mobile apps
Free Retina Icon Set
ok, Face, pleasure
60x60
Desktop apps
3D
Free Social Media Icons
luck, Lucky, positive
Orange
Photography & graphic design
32x32 Free Design Icons
yes, mark, Apply
32x32
yes, ok, good
ForestGreen
24x24 Free Application Icons
good, mark
LightGreen
24x24
Network & communications
Pixel
16x16 Free Application Icons
mark, good
YellowGreen
16x16
Windows 8 metro style
good, Decision
DarkSlateGray
Free 3d Glossy Interface Icon Set
checkmark, Accept, Check
LimeGreen
80x80
Accept, ready, tick
Smooth
Rounded Square icons
good, reads
Silver
320x320
Project icons
notification, good
Boolean
ok, green, right
Popo 2004
good, Feel
Yellow
128x128