[erlang-questions] Open Source ErlSigtran

[Eranga Udesh]

You are quite right. To my understanding, 

GPL like licenses wants the ISV or VARs, who uses the GPL licensed product
to distribute their own product under GPL. Otherwise there's provision to
buy commercial license. License cost is most of the time a fraction of a
fully commercialized product.

Also there's Apache/Apple like licenses which allow to distribute your
product commercially/closed source, while the Open Source product must be
distribute in source code version with the license attached. 

Both model are highly successful. Under 1st model there're project driving
companies, hence faster development and support, while in the 2nd case it's
most of the time like communities.

- Eranga



-----Original Message-----
From: erlang-questions-bounces@REDACTED
[mailto:erlang-questions-bounces@REDACTED] On Behalf Of Michael FIG
Sent: Tuesday, October 30, 2007 7:01 AM
To: Anders Nygren
Cc: erlang-questions@REDACTED
Subject: Re: [erlang-questions] Open Source ErlSigtran

"Commercial" is an awful term to use when discussing software.

1) Open Source/Free Software explicitly requires that it is possible to sell
the software product, so long as the source code is available, modifiable,
and redistributable.  So, in that sense, it "allows commercial use."

2) However, many Free Software licenses don't allow a downstream developer
to use the software in a traditional proprietary package (or any use that
doesn't meet the requirements above).  So, in that sense, it "doesn't allow
commercial use."

What I understand is that Anders wants #1, and Richard is saying he will
offer #2.  They are not in conflict, if I am correct.

I hope this helps clarify things,

-- 
Michael FIG <fig@REDACTED>, PMP
MarkeTel Multi-Line Dialing Systems, Ltd.
Phone: (306) 359-6893 ext. 528

----- Original Message -----
From: "Anders Nygren" <anders.nygren@REDACTED>
To: "Richard Andrews" <bbmaj7@REDACTED>
Cc: erlang-questions@REDACTED
Sent: Monday, October 29, 2007 6:09:46 PM (GMT-0600) America/Guatemala
Subject: Re: [erlang-questions] Open Source ErlSigtran

On 10/29/07, Richard Andrews <bbmaj7@REDACTED> wrote:
>
> --- Anders Nygren <anders.nygren@REDACTED> wrote:
>
> > > Is there a Open Source Sigtran stack developed preferably in Erlang? I
mean
> > > actively developing and not a stale project. Anybody planning to do
such
> > > thing?
> > >
> > > If there's none, I am interested to know how many of you would want
> > somebody
> > > to make this initiative? If the interest level is high, I might be
able to
> > > convince the relevant people in my office to Open Source the Sigtran
stack
> > > we're developing. Let me know your interest.
> > >
> >
> > Yes, we are interested. Assuming it is a license that allows commercial
use.
>
>
> It wouldn't be open source if it did not [1].
>
I do not want to get into a license war but are You trying to tell me that
-LGPL
-BSD
-MIT
-Apache
etc etc

are NOT open source licenses?
see http://www.opensource.org/licenses/alphabetical

/Anders

> --
>
> [1] http://www.opensource.org/docs/definition.php
>
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