PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
Up, thumbs
LimeGreen
16x16
mark, thumbs down, Dislike
Red
vote, thumbs down, mark
Tomato
PNG ICO ICNS SVG MORE
Mixed
Glyph
Pittogrammi
thumbs, Up
Black
512x512
Down, thumbs
UI
Smooth
Snipicons
thumbs, Down
Windows 8 metro style
DarkSlateGray
PNG MORE
Windows 8 icons
26x26
IcoMoon
32x32
Windows 8 Pack (Metro Style)
Shopping & e-commerce
3D
Bimbilini
Down, thumbs, vote
Peru
64x64
vote, Like, thumbs
Computer & hardware
VistaICO Toolbar Icons
Down, thumbs, rate
256x256
Up, Like, thumbs up
Family & home
Shrunk Pidgin Smilies
good, Like, thumbs
SandyBrown
24x24
Desktop apps
Free Applications Icons
Hand, vote, unlike
i like, Like, Hand
LightGreen
thumbs down, thumbs, Hand
LightSalmon
Hand, thumbs, Like
Function icons
Up, vote, Hand
BurlyWood
48x48