Subject: Re: Zeo Developer Terms of Use
From: Ben Tilly <>
Date: Tue, 25 Jan 2011 23:21:00 -0800

 Tue, 25 Jan 2011 23:21:00 -0800
It does not look like their license is in any way, shape, or form
compatible with the GPL.  Therefore I suspect that trying to release a
GPLed application based on their product is a Very Bad Idea.


On Tue, Jan 25, 2011 at 11:10 PM, Chad Joan <> wrote:
> Hello,
> My intent is to write a GPL application using the Zeo Raw Data Library,
> which can be used to record brainwaves in near-realtime.  The library is
> given under this license, which I've converted into a PDF and attached,
> incase it changes.
> I've contacted Zeo already and expressed my concerns about the part that
> says "You further agree not to otherwise reproduce, modify, distribute,
> decompile, disassemble or reverse engineer any portion of the Zeo Developer
> Interface or any data provided by Zeo, Inc.." since I intend to
> reproduce/distribute it with my program.  They seem willing to change this.
> So don't worry about that.
> I was also eye-balling the (7) "Modfication" and (8) "Termination" clauses.
> It sounds kind of like if I were to go around spreading gossip and then,
> when it backfires, decide that I want to erase my words from everyone else's
> memory.  So I'm curious, can that kind of clause actually work?  Should
> either I or the Zeo folks be worried about these clauses?
> Is there anything else in those terms I should be concerned about when I go
> to release my software?
> As far as I can tell, in the consumer EEG market Zeo has been the most open
> about encouraging the hacking/modification/unforseen-uses of their product.
> They seem quite willing to listen to suggestions about this license stuff
> since they want to encourage their community to develop projects that do
> nifty things with the Zeo.
> Thanks in advance,
> - Chad