Subject: Re: Competition by internal expertise for F/OSS vendors
From: al davis <ad138@freeelectron.net>
Date: Wed, 3 Sep 2008 16:39:45 -0400

 Wed, 3 Sep 2008 16:39:45 -0400
On Wednesday 03 September 2008, Thomas Lord wrote:
> Many public or semi-public software projects have,
> on their web pages, a link usually named something
> like "get involved" or "how to contribute" or
> "for developers".    The linked page will tell where
> to get the source, how to tie in to the source
> control system, where the bug reports are kept,
> what the coding standards are ... that kind of thing.

So do propriatary packages.

Look at Matlab, for example.  Lots of those extras were 
contributed by customers, gratis.  

Same goes for lots of other apps .. user contributed plugins, 
models, data, etc., all dependent on a proprietary core.