[1] The license can be applied to a work to make it open content.
It is one of the earliest non-software free content 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.
[6] "OPL" stood for OpenContent Principles and License.
[9][1] A project licensed under the OPL is Open Icecat, which was launched in 2005 as a global open catalogue for e-commerce, and is embraced by the tech sector.