The questions Following the posts on WordPress themes, the GPL and the conundrum of derivative works and A reader asks: Selling ThemeForest themes outside of ThemeForest, two people from countries far apart have asked me similar questions (albeit possibly from opposite perspectives) regarding the reselling of GPL’d plugins. The first person asked this (I’m paraphrasing): ‘If someone purchases a plugin (or theme) from a commercial plugin (or theme) provider, and then translates it, changes the code and puts it in a marketplace to sell, would that be permissible under the GPL? I’ve seen outfits doing this and I’m not sure how they can do it.’ The second person asked this: ‘As a plugin developer, how can I protect my plugins to prevent people from reselling them, bearing in mind that many plugins are largely PHP/HTML/javascript code with minimal CSS and graphical elements or, in any event, with CSS and graphical elements that might easily be replaced. In these circumstances, a ThemeForest-style split licence might not have much effect. In these circumstances, how can a plugin …