[erlang-questions] CZMQ licensing

Garrett Smith <>
Fri Jan 31 17:56:45 CET 2014


Pieter, Welcome!

On Fri, Jan 31, 2014 at 5:55 AM, Pieter Hintjens <> wrote:
> CZMQ is not dual-licensed.

Oops!

> The licensing on CZMQ is LGPLv3+static link exception, the same as
> libzmq and as most of the ZeroMQ projects. This license explicitly
> allows bundling of the compiled code with commercial applications
> under whatever license the user wants. It removes the LGPL/GPL
> requirements on such bundles (static links).
>
> This is what I'd recommend for erlang-CZMQ too. It means taking
> COPYING and COPYING.LESSER (since LGPLv3 is a patch on GPLv3) from
> CZMQ or libzmq.

Done! I will direct all attorney questions your way ;)

> Mahesh is correct: without an explicit license, one cannot use a
> software project, unless one is the owner.

Eh, he's always right. Whatever.

> -Pieter

Garrett



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