Is it true that I can publish my own 3rd Ed Dungeons and Dragons material under the d20 System licence?
Definitely not! Dungeons and Dragons is a trademark of Wizards of the Coast, and anyone else using it on their work is in clear violation of the law. Don’t do that. I mean it. On the other hand, d20 System is a trademark Wizards of the Coast have provided which you can use. Provided you abide by the terms of the license agreement, you can use that trademark freely – you won’t have to pay Wizards of the Coast anything, you retain full rights to any and all of your original work (if that’s how you want it), and you can also choose any means of distribution you like for your material. You can even release your material as a commercial product without needing any additional approvals from Wizards of the Coast (besides the general permissions granted by their license). Be aware that the d20 System licence only covers the basic elements of the game. At the moment, you can only use material from the Player’s Handbook, Dungeon Master’s Guide, Monster Manual and Psionics Handbook. That list is
