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Re: Is it OK to use my rewritten GNU program commercially?

From: rjack
Subject: Re: Is it OK to use my rewritten GNU program commercially?
Date: Wed, 18 Jul 2007 08:16:59 -0500
User-agent: Thunderbird (Windows/20070604)

Inventor wrote:

I have released my sports prediction software under the GNU GPL,
folks are using it, and I plan to add the latest features for a
'final' release.  The first version is a klugy hodgepodge of code
with only a command line interface, and now that I am learning the
beginnings of OOP and CGI, I am rewriting the program from scratch
with a web front- end.  The new code will have the same algorithm as
the old code, but is completely new in every other way.

My friend wants to possibly commercialize the new code someday, setting up a web page and charging for either access or software or datafeed. Now, i'm fairly sure we could charge for datafeed since that is not the program, just the data for the program, but could we charge for access or software of the new program? I would keep the old program on the web for free in any case.

Is it OK to commercialize the new rewritten version, or have I given that away for free as well? Also, is it OK that we would have a free command line version and a paid web version, or is that just plain wrong to do? I think it's OK because the new program is totally new,
 but i thought I'd ask wiser folks to be sure.

Thanks in advance, Inventor


Richard Stallman and Eben Moglen now own your program, your wife and
kids, the family dog and your primary residence -- tax free. Since you
have used their universal and omnipotent GPL license, if you even
converse with your friends, their programs also become GPL licensed
works. Such is the power of the GPL, only a shaman from the Ug!atia
tribe of southern Ethiopia can undo its control over you.


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