When comparing Creative Commons vs WTFPL, the Slant community recommends Creative Commons for most people. In the question“What are the best open-source licenses?” Creative Commons is ranked 5th while WTFPL is ranked 9th. The most important reason people chose Creative Commons is:
The Creative Commons has an easy-to-understand utility for choosing which style of the Creative Commons you want to use.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to use licensing decision tool helps customizing the license type
The Creative Commons has an easy-to-understand utility for choosing which style of the Creative Commons you want to use.
Pro Can restrict commercialization
A popular optional clause to the creative commons is the "Attribution-NonCommercial" clause, which restricts work to non-commercial use.
Pro No disclaimer
It does not explicitly disclaim implied warranties which some rather idiotic legislations appear to follow.
Cons
Con Can restrict commercialization
Con Not recommended for software
Creative Commons does not recommend using CC licenses for software.
Con Not fully proven to be valid
It has been used in many open source projects, but is not fully validated, although widely accepted as an open source license.
i.e. Proven in a court of law.