Themes are GPL.

Finally, a definitive source on the long talked about issue:

One sentence summary: PHP in WordPress themes must be GPL, artwork and CSS may be but are not required.

This matches with what I (and many others) believed so far. Also note that the post says that WordPress.org will only promote 100% GPL or compatible themes, which I assume means that you have to GPL your CSS and images too for your theme to be accepted there.

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1 Response

  1. I prefer to make my XHTML/CSS and images non-GPL but I’m still deciding whether to use the 100% GPL business model or not.

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