Re: Postgres Licensing

On Mon, Sep 20, 2010 at 7:48 AM, Vaibhav Kaushal
<vaibhavkaushal123(at)gmail(dot)com> wrote:
> May be this is the wrong place to ask the question. Still, answer me if
> someone can or please redirect me to some place where it can be answered. My
> questions are:
>
> 1. PostgreSQL can be distributed freely according to the license terms. Can
> it be sold (for a price) without changing anything in the source?

Yes.

> 2. Does the license restrict me from adding my closed source additions to
> the project and then sell the product? I want to add in a few files here and
> there which would be closed source in nature, while all the changes made to
> the original files will be open, and then sell the modified database with a
> dual license. Is this possible?

You should check with your own counsel of course (I am not a lawyer),
but essentially the licence allows you produce derivative
closed-source products and release them under different licences as
long as the terms of the original licence are met (which basically
means you can't sue UC Berkeley, or remove the original
licence/copyright notices).

> May be you guys are hard core OSS enthusiasts and may flame me. I request
> not to and please consider my question.

We like people building cool stuff with our code - and like the
freedom to do so that our licence allows.

--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise Postgres Company