[the Free Software Foundation](https://fsf.org).  The editor-in-chief of

[the guide](/guide/) is [Bradley M. Kuhn](http://ebb.org/bkuhn).  The

[recent changes page](http://copyleft.org/recentchanges) shows who has

contributed to the wiki, and you can see the

[Git commit log on the tutorial](https://gitorious.org/copyleft-org/tutorial/commits/)

to see who has contributed to it.

### Offsite Resources

#### What Is Copyleft?

Here are a few sources to read generally what copyleft is:

  * [Richard M. Stallman's essay on copyleft at gnu.org](https://www.gnu.org/copyleft/)

  * [The Wikipedia entry on Copyleft](http://en.wikipedia.org/wiki/Copyleft)