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Date: Tue, 2 May 2000 11:55:01 -0400
Message-Id: <200005021555.LAA20541@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: dwyatt AT sunflower DOT com
CC: cygwin AT sourceware DOT cygnus DOT com
In-reply-to: <200005030139.UAA00749@mail1.sunflower.com>
	(dwyatt AT sunflower DOT com)
Subject: Re: Things you can do with Cygwin
References:  <200005030139 DOT UAA00749 AT mail1 DOT sunflower DOT com>


> I'm still not clear on something.  Can a proprietary,
> non-open-source software package be ported to run under Cygwin and
> then sold to customers if, say, a copy of the CD release is
> purchased and included for every host that the software will run on?
> Or, would this require the purchase of the Cygwin developer package

It doesn't matter which version of cygwin you have, or where you got
it from, or how much you paid for it.  If you want to distribute a
proprietary application that uses Cygwin, you need to purchase a
proprietary-use license.  If you want to distribute an "open source"
application that uses Cygwin, you don't need to purchase anything.

Note that I said "distribute", not "write".  You can always write any
application you want, if you only use it yourself (or within your
company, if it's a company-written application), because you aren't
distributing those.  You meet the terms of the GPL if you don't
distribute your program, regardless of any other license terms it has.

> (I can't find the link for that, at the moment - the Web site seems
> to have been partially absorbed into Red Hat)?

Send email to cygwin-info AT cygnus DOT com if you are interested in the
proprietary-use license.  The commercial URL for cygwin is
http://www.cygnus.com/cygwin/

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