OpenSourceGraphics
From Lost In Wonderlands
Open Source Graphics
by paul.plaquette, Senior Software Engineer, Trilda Open Source
Open Clip Art Library (OCAL)
- Free Graphics (not open source)
- https://icons8.com/icons
- Graphics are under creatives commons 1.0 license : CC0 1.0 Universal (CC0 1.0)
else said Public Domain Dedication
Open Game Art dot Org
- graphics for games, may be free, check for each
- http://opengameart.org/