Wizards of the Coast, DND: http://www.wizards.com/dnd
Open Game License: http://www.opengamingfoundation.org/ogl.html
d20 license: http://www.wizards.com/default.asp?x=d20/welcome
(v.3.5) System Reference Document: http://wizards.com/default.asp?x=d20/article/srd35
The Hypertext d20 sytem reference: http://www.d20srd.org
RPG Now, electronic delivery system for role-playing games: http://www.rpgnow.com
Paizo Publishing: http://www.paizo.com
Neverwinter Nights Vault: http://nwvault.ign.com
Menzoberranzan.net, NWN drow RPG site and server: http://www.menzoberranzan.net
Sojourney.net, NWN RPG site and servers: http://www.sojourney.net
RPG.hu, hungarian RPG portal (hungarian language): http://www.rpg.hu
Mihály's RPG blog (hungarian language): http://batboyhu.blogspot.com
