I've noticed many people asking for help in deciding what system they should find and there has be a sporadic responses that point to a few sites. This is my compilation list of all the various SRD (System Resource Documents) sites in one thread. If anyone has a url to a SRD that is not listed then please post it in this thread.. What is listed below is all OGL content sites. Mutants and Masterminds 3rd Edition : <a href="http://www.d20herosrd.com/" rel="nofollow">http://www.d20herosrd.com/</a> Pathfinder : <a href="http://paizo.com/pathfinderRPG/prd/" rel="nofollow">http://paizo.com/pathfinderRPG/prd/</a> Pathfinder : <a href="http://www.d20pfsrd.com/" rel="nofollow">http://www.d20pfsrd.com/</a> The d20 archive (WoTC) (It has 3.5 and d20 modern reference sheets to download): <a href="http://www.wizards.com/default.asp?x=d20/article/srdarchive" rel="nofollow">http://www.wizards.com/default.asp?x=d20/article/srdarchive</a> The Hypertext d20 SRD (3.5) : <a href="http://www.d20srd.org/" rel="nofollow">http://www.d20srd.org/</a> SRD Home (d20 modern) : <a href="http://www.12tomidnight.com/d20modernsrd/Home.php" rel="nofollow">http://www.12tomidnight.com/d20modernsrd/Home.php</a> SRD News (This site contains a wide range of OGL roleplaying games and board games on their site) : <a href="http://www.systemreferencedocuments.org/index.php" rel="nofollow">http://www.systemreferencedocuments.org/index.php</a> If the mods wished to they could sticky this post so that it becomes easier for people to locate and add to it if they have any other sites that are OGL.