Re: Extension GooglePreview : non-free ?

[Niklas Cholmkvist]

I've sent an email to ackroyd.de asking if there is a specific license(MPL/GPL) and if it(the source code) can be modified and distributed commercially. I think that the source code is not inside the xpi file.

I recieved the reply:

"it is open source as the everyone can take a look at the source code,

however it is copyrighted by me, so no modification or distribution is

allowed."

Conclusion: Google Preview is non-free software.