Open Game Systems

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Revision as of 20:02, 2 June 2009 by Sanglorian (talk | contribs) (The List:: added OGL W&W)
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This page collects all the games under an open license like the Open Game License and various Creative Commons Licenses.

Definition: What is an Open License?

This page operates under the following definition:

"An Open License allows the free and perpetual re-use of original material by anybody willing to follow the restrictions of said license, without an explicit contact or negotiation between original author and licensee."

In other words, if something is available under an open license, I can use and re-use it for free, as long as I respect the restrictions laid out in the license, without having to contact the author.

Retro-Clones

Retro-clones are new games that are compatible with games that are now out-of-print. They are listed separately to the other games.

The List:

The following systems are available under an open license and are thus free to use in your own publications. (Though with varying restriction on the use of the material.)

Retro-Clones

Open Game License (Direct Link)

Open Game License and Another License

These games release their material as Open Game Content, but also provide another, more restricted, license to allow publishers to refer to Product Identity.

Creative Commons Licenses

GNU free documentation license

Other