WTFPL
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.
Creative Commons
Creative Commons licenses provide a flexible range of protections and freedoms for authors, artists, and educators.
GNU General Public License
The GNU General Public License (GNU GPL or GPL) is the most widely used free software license, which guarantees end users (ind ...