Check http://gpl-violations.org http://gpl-violations.org GPL cannot force somebody to release their source code, as long as they are not supposed to have the

Check http://gpl-violations.org http://gpl-violations.org GPL cannot force somebody to release their source code, as long as they are not supposed to have the binary (for example, internal studio - you can use binary tools compiled ith GPL, and be happy knowing that that stuff does not go outside of the company). With GPL 3 I think that's changed, but IANAL.