Open Content License

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The Open Content License is a share-alike public copyright license by Open Content Project in 1998. The license can be applied to a work to make it open content. It is one of the earliest non-software free content licenses.

History and reception[edit]

The Open Content License, dated July 14, 1998, predates the GNU Free Documentation License (GFDL) and other non-software public licenses. Though discussions were held between David A. Wiley, creator of the Open Content License, and Richard Stallman, leader of the Free Software Foundation, who created the GNU General Public License for software and would create the GFDL.[1] The license text is titled "OpenContent License (OPL)".[2] "OPL" stood for OpenContent Principles and License.[3]

This license is not compatible with most other license (beside permissive licenses) in that it requires derivative works to be licensed under the Open Content License (Viral license). With the exception of media and handling costs, it forbids charging for copies of a licensed work, but does not otherwise forbid commercial use.[4]

Another license released a year later, also by the Open Content Project, is called the Open Publication License. The OpenContent as also the Open Publication license were succeeded by the Creative commons licenses in 2003.[5]


  1. ^ Grossman, Lev (1998-07-18). "New Free License to Cover Content Online". Netly News. Archived from the original on 2000-06-19. Retrieved 2010-12-27. 
  2. ^ "OpenContent License (OPL)". Archived from the original on 1998-12-06. 
  3. ^ Updating the OpenContent License and Clarifying a Few Things
  4. ^ OpenContent License (OPL)
  5. ^ OpenContent is officially closed. And that's just fine. on (30 June 2003, archived)