PNG ICO ICNS MORE
Desktop apps
Smooth
Free Funktional Icons
tick
Black
48x48
Music & multimedia
Gakuseisean
YellowGreen
256x256
Social media
Brushed Metal Icons
Silver
512x512
02, tick
Farm-fresh
32x32
Mixed
48px web iconset
tick, Badge
OliveDrab
iVista 2
Simple But Sophisticated App
DarkSlateGray
64x64
UI
Elegant Themes Icons
tick, checkmark
LimeGreen
PNG MORE
Files & folders
Spirit20
ok, tick, Check
20x20
tick, system, 02
system, tick
Healthcare & medical
The Centigrade MedicalSeries
select, right, ok
Business & finance
Free pretty office Icons part 2
tick, success
Matte set: Basic
Accept, tick
DarkSeaGreen
Basic Set
tick, mark, yes
One bit
yes, done, true
DarkOliveGreen
Network & communications
Oxygen
tick, ok, Check
Green
Check, correct, yes
ForestGreen