GameDevMarket.net Collection of Music, Sound effects (sfx), 2D/3D/GUI Art.
http://gaurav.munjal.us/Universal-LPC-Spritesheet-Character-Generator/
http://spriteme.org/
http://hasgraphics.com/free-sprites/
http://www.makeflashgames.com/tutorialshtml5/draw-image.php
http://opengameart.org
http://spritedatabase.net/
http://tsgk.captainn.net
http://untamed.wild-refuge.net/rmxpresources.php?characters
http://www.bogleech.com/games.html
http://www.cgtextures.com/
http://www.gameartguppy.com/
http://www.hellsoft.net
“http://www.lemog.fr/lemog_textures/index.php
http://www.lostgarden.com/search/label/free%20game%20graphics
http://www.pygame.org/wiki/resources
http://www.retrogamezone.co.uk/
http://www.rpg-palace.com/visual-resources/tilesets-rmxp
http://www.spiralgraphics.biz/packs/
http://www.spriteland.com/
http://www.spriters-resource.com/
http://www.sprites-inc.co.uk/
http://www.videogamesprites.net/
https://www.makegameswith.us/academy/art/set
https://www.pinterest.com/eduardoonguard/free-game-sprites-and-assets/
https://www.scirra.com/forum/kenney-s-free-assets-20-000-assets_t93518
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