A roleplaying system derived from Dungeons and Dragons and released under an Open Gaming license (similar to Open Source software licenses) to encourage the creation of compatible games.
Related categories 3
Ancient Worlds: Multicosm
Includes ancient Rome and Iceland campaign settings, new classes, feats, solo adventures, monsters, new rules, and product reviews.
d20 Modern Character Generator
Fantasy gaming SRD
SRD for d20 roleplaying games in a fantasy setting.
The Hypertext d20 SRD
Contains the version 3.5 d20 system reference document and is indexed, hyperlinked, and searchable.
Modernized! - D20 Modern Ezine
A free ezine, published to the web, that provides new material, suggestions, and other useful bits for a D20 modern campaign.
Open Gaming Foundation
Contains Open Gaming Licenses and a clearinghouse for information about the system.
A character generator and maintenance program aimed at supporting any and all d20 roleplaying games.
Slashdot: Where Daemons and Dragons Collide
Feature story of the Open Gaming Project with reader feedback. (March 22, 2000)
Salon: Dungeons & Dragons to go open-source
An interview with a gaming executive about an open gaming license for role-playing games. (March 10, 2000)