Re: [Exist-open] Licence, cost and obligations

[Alex M. <al...@mi...>]

Ismael Fernando Flores wrote:
> Hi
>  
> i'm interest by the eXist DB XML for commercial purpuses, like db server 
> for stanalone applications in Java.
>  
> the licence have cost?

eXist is open-source and so free.

> if my system use eXist like db server, my system must be GNU GPL?

eXist is released under LGPL and not GPL.

> if I modify the eXist source code?

In theory, you'd have to distribute that change under LGPL.

http://www.gnu.org/copyleft/lesser.html

Of course, we'd like it if you contributed back to the project.

> it have same specific support?

I'm not sure I understand the question.

It sounds like you just want to use eXist verbatim embedded in another
software application.  As such, LGPL will let you do that without any
entanglements.

--Alex Milowski