When comparing GPLv2 vs Creative Commons, 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 GPLv2 is ranked 7th. 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 Ensures that derivitave works are also protected by copyleft
Ensures that the software and its derivatives remain licensed under the same license to keep the software free and open source.
Pro Guarantees that all changes are given back
Pro Ensures that the software does not become proprietary
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.
Cons
Con Cannot be linked with other licenses
Software licensed under the GNU GPLv2 is incompatible with all other licenses, with the exception of GPLv3 in most cases. This means that code from a GPLv2 program cannot be combined with code under another license in the same program.
Con Long and complicated
The license is very long and complicated, making it hard to read and comprehend. However, there is a simplified version available here.
Con Can restrict commercialization
Con Not recommended for software
Creative Commons does not recommend using CC licenses for software.