Open license/External Links


 * Creative Commons Licenses
 * Open Definition &mdash; provides the Open Knowledge Definition and the Open Software Service Definition
 * Licenses &mdash; a list of open licenses
 * Why Share-Alike Licenses are Open but Non-Commercial Ones Aren’t &mdash; an essay by Rufus Pollock
 * The Case for Free Use: Reasons Not to Use a Creative Commons -NC License &mdash; a similar essay by Erik Möller