Sites and apps similar to Creative Commons include GNU General Public License, which is free. Other options are Mozilla Public License, WTFPL and License-Token.com. In total there are four Crowdfunding Services like Creative Commons.
The GNU General Public License (GNU GPL or GPL) is the most widely used free software license, which guarantees end users (individuals, organizations, companies) the freedoms to use, study, share (copy), and modify the software.
The Mozilla Public License (MPL) is a free, open source, and detailed software license developed and maintained by the Mozilla Foundation. It is characterized as a hybridization of the modified BSD license and GNU General Public License (GPL) that seeks to balance the concerns...
The WTFPL is a very permissive license for software and other scientific or artistic works that offers a great degree of freedom. In fact, it is probably the best license out there.
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