We are looking for an open source license that...

Chris F Clark cfc at world.std.com
Sun Nov 10 01:51:11 UTC 2002

1) requires users to return to us modifications made to the code for
   incoporation into a future version (whether they otherwise
   distribute those changes or not).

2) allows us to distribute code under other non-open source/non-free
   licenses (including the user contributions we have folded in).

3) prevents users from distributing our code in a non-open source
   manner (so we can compel those who wish to do so to buy the
   non-open source version).  We would prefer a license that also
   prohibits for-profit (or commercial) use in a non-open source
   manner, but that looks like a non-achievable goal while still using
   an open source license, since such a license would discriminate.
   (Most of our customers use our software to develop in-house, not
   for resale software, so we will certainly "leave some money on the
   table" with this strategy, but that's okay.  A license that
   considered redistribution within a company as distribution would
   also be a plus for the obvious reason.)

Does such a license exist?  I get the impression from reading this
group that several license writers are close to having developed such
a license.  We are not interested in developing such a license
ourselves and want to use someone elses.

Our situation--we have a non-open source piece of software that we
have been selling since 1990.  Over that time, we have repeatedly
considered releasing either an open source version of the software or
a non-commercial "gratis" version or both.  We will release an open
source version at the beginning of the year, if we can find an
acceptable license by then.

Hope this helps,

Chris Clark                    Internet   :  compres at world.std.com
Compiler Resources, Inc.       Web Site   :  http://world.std.com/~compres  
3 Proctor Street               voice      :  (508) 435-5016
Hopkinton, MA  01748  USA      fax        :  (508) 435-4847  (24 hours)
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