Artworks
Prismatic Art Collection
Joshu by Sarah Carney from the Prismatic Art Collection is released under the Creative Commons Attribution-ShareAlike 3.0 license.
Warrior by Sarah Carney from the Prismatic Art Collection is released under the Creative Commons Attribution-ShareAlike 3.0 license.
Flashing Ray by Crystal Frasier from the Prismatic Art Collection is released under the Creative Commons Attribution-ShareAlike 3.0 license.
Rook by Jared von Hindman from the Prismatic Art Collection is released under the Creative Commons Attribution-ShareAlike 3.0 license.
Justin Nichol
Vera by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Death Knight by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Falling Cinder by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Charlene by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Bighorn Demon by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Abuse Demon by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Ranger by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Lord of Violence and Ratman by Justin Nichol are released under the Creative Commons Attribution-ShareAlike 3.0 license.
Orcus Cover Art by Justin Nichol is released under the Creative Commons Attribution-ShareAlike 4.0 license.
Beth Trott
The Phrenic Scourge, Tunnel Brute and Ophiduan by Beth Trott are released under the Open Game License. See the entry for The Iconic Bestiary: Classics of Fantasy and this exchange with the author for more details.
Miska Fredman
The Red Catacombs and Cannibal Dungeons by Miska Fredman are released under the Creative Commons Attribution 4.0 license.
Sine Nomine Publishing
Sine Nomine Publishing has released several public domain art packs: Scarlet Heroes, Spears of the Dawn, The House of Bone and Amber and Silent Legions.
The artworks by David Lewis Johnson, Earl Geier, Ian MacLean, Joyce Maureira, Luigi Castellani and Miguel Santos are from these art packs, which were released into the public domain.
David Revoy
Drow by David Revoy is released under the Creative Commons Attribution 4.0 license.
Ship by David Revoy is released under the Creative Commons Attribution 4.0 license.
Ryzom MMORPG
Artworks for the Ryzom MMORPG are released under the Creative Commons Attribution-ShareAlike 3.0 license.
Michael Wight
Zero Level by Michael Wight is released under the Creative Commons Attribution 4.0 license.
Babeskull
A good bounty by Babeskull is released under the Creative Commons Attribution 4.0 license.
LadyofHats
Many monster artworks by LadyofHats are released under the Creative Commons CC0 1.0 license.