An updated collection of websites offering open source under creative commons license game assets for download ,originaly posted on https://2dartforgames.wordpress.com and techiediaries
List of websites for free game assets
Models and Textures
http://www.3dvalley.com/
http://www.blendswap.com/
http://www.gfxtra.com/
http://sketchup.google.com/3dwarehouse/
http://www.3dsmodels.com/
http://3dmagicmodels.com/
http://archive3d.net/
http://opengameart.org/
http://www.sharecg.com/
http://e2-productions.com/repository/modules/PDdownloads/
http://www.morguefile.com/
http://www.sxc.hu/
http://www.texturemate.com/
http://www.public-domain-image.com/
http://creativity103.com/
http://www.openclipart.org
http://www.gfxplace.com/
http://www.3drt.com/
http://bunbun.com.au/
http://activeden.net/category/unity-3d
http://www.unitymagic.com/shop/
http://www.thegamecreators.com/
http://www.the3dstudio.com/
http://www.3dmagicmodels.com/
http://www.dexsoft-games.com/
http://www.creativecrash.com/
http://www.turbosquid.com/
http://www.gametextures.com/
Unity Asset Store (Inside Unity)
http://indiegamestock.com/
Sounds 8bitcollective.com http://www.chibola.com/crfml ccmixter.org flashkit.com freesound.org hartwigmedia.com incompetech.com musopen.com newgrounds.com openmusicarchive.org openmusic.linuxtag.org indiegamemusic.com sfxr
2D Graphics OpenGameArt Reiner’s Tilesets Lostgarden.com — Huge amount of free game graphics How To Bootstrap Your Indie Art Needs (Lost Garden) TIGSource Assemblee Tiles Rob Fearons SYNSO graphics Backyard Ninja Design — Sprites & Tiles 420 Pixel Art Icons For RPG Game Icons http://blogoscoped.com/archive/2006-08-08-n51.html