In which case, maybe it's classified as a derivative work of the original OS pro...

tagawa on Oct 3, 2013 | parent | context | favorite | on: How to make $100k in Open Source by working hard

In which case, maybe it's classified as a derivative work of the original OS project? This is how WordPress tries to classify third-party themes and plugins, meaning they should "thus inherit the GPL license". See: http://www.wordpress.org/about/license/