See also:

• Computers: Open Source: Licenses  (49)

• Creative Commons License Generator - Service allowing quick and easy selection of one of a range of Open Content licenses to meet a content creators' requirements (concerning attribution, whether commercial use is allowed, and whether modification is allowed).
• Free Art License - Copyleft license applied to artistic content and projects.
• GNU Free Documentation License - A version of the GPL for reference material.
• October Open Game License - OOGL. The purpose of this License is to make a rulebook, game manual, sourcebook, supplement, or other written role-playing game document "free" in the sense that everyone is permitted to copy and redistribute it, with or without modifying it, either commercially or noncommercially.
• Open Content License - License for the Open Content Project
• Open Directory Project License - The license agreement for replicating ODP data.
• Open Game License - License of the Open Gaming Foundation, as drafted by Wizards of the Coast.

• kuro5hin.org: Creative Commons -NC Licenses Considered Harmful - "One particular licensing option...is a growing problem for the free content community. It is the allow non-commercial use only (-NC) option. The 'non-commercial use only' variants of the Creative Commons licenses are non-free, and in some ways worse than traditional copyright law -- because it can be harder to move away from them once people have made the choice." (September 11, 2005)