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For questions about works that derive their core from another open work.

4 votes

Is requiring a license a violation of the GPL? Can I get around it?

To answer the direct question: It is not necessarily a violation of the GPL to require a license. Let me describe a scheme which I believe would comply with the terms. I have no idea if the people you …
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3 votes

Is it allowed to dynamically link a GPL licensed library for commercial use?

It depends on the views of the copyright owner as to the definitions of derived work versus aggregation. The FSF themselves take a very broad view of derived work that would forbid your use case; they …
bmargulies's user avatar
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4 votes

When is my project a derivative work in an interpreted language?

This answer is offered as a supplement to FreeRadical's fine exposition, and is focussed on subclasses. I am not sure that it is helpful to focus on individual classes. Copyright law looks at a 'work …
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4 votes

Appropriate licence for later merging back

This answer is an experiment; you and others may not like it, but we'll see. You write that you wish to make money with code you plan to publish with a (more or less) open source license. You might w …
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10 votes
Accepted

What license options do I have for licensing ported source code?

The conservative position is to assume that your port is a derived work of the original. If you consult a lawyer, you might be offered a more-or-less 'clean room' procedure to try to avoid this, but s …
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