Adobe Photoshop    

photoshop.com

Getty Images    

gettyimages.com

Fiverr    

fiverr.com

Shutterstock    

shutterstock.com

iStock    

istockphoto.com

Bitmoji    

bitmoji.com

Fotolia  

fotolia.com

Iconfinder  

iconfinder.com

Icons8 by VisualPharm    

icons8.com

Flaticon  

flaticon.com

Colourbox    

colourbox.com

Tiled Map Editor  

mapeditor.org

FroGames  

frogames.net

Lost Garden

lostgarden.com

Toon Characters

tooncharacters.com

MyIconFinder

myiconfinder.com

ViralDot

viraldot.com

Noun Project

thenounproject.com

Open Game Art

opengameart.org

PixShark

pixshark.com

png img

pngimg.com

PSDgraphics

psdgraphics.com

Reiner's Tilesets

reinerstilesets.de

Round Icons

roundicons.com

Simple Icon

simpleicon.com

Soft Icons

softicons.com

VectorStock

vectorstock.com

StickPNG

stickpng.com

StockFresh

stockfresh.com

SVG Repo

svgrepo.com

ThinkStock

thinkstockphotos.com

Vecteezy

vecteezy.com

Graphic Buffet

graphic-buffet.com

Clipart Of

clipartof.com

Desktop Icon

desktop-icon.com

Dusk Engine

gymbyl.com

Find Icons

findicons.com

Fox Graphics

fox.graphics

Freepik

freepik.com

Game Art 2D

gameart2d.com

Game Art Guppy

gameartguppy.com

Game Icons

game-icons.net

Glyphish

glyphish.com

Lordicon

lordicon.com

Gumbo

nerderer.com

Icon Archive

iconarchive.com

Icon Shock

iconshock.com

Icons Download

iconsdownload.net

Icons ETC

icons.mysitemyway.com

iconscout

iconscout.com

Ionicons

ionicons.com

Isometric Maps

isometricmaps.com

Kameleon

kameleon.pics