"But as attractive as the open-source model is conceptually, the
ongoing Mozilla project -- in which the half-forgotten Netscape Web
browser is being updated by a dispersed group of unpaid programmers
-- shows that development can slow down if no one has any chance of
making any money. Similarly, the core Gnutella program hasn't been
updated in months. There are some marvelous examples to the
contrary -- namely Apache and Perl -- but that's because their
creators have found ways to earn money off their work by running
conferences, writing books and consulting."
"It's that model that open-source application server Zope is
trying to follow. An application what? At the core of many of the
large-scale content-management systems is an application server, a
program that helps developers separate different parts of the Web
site-building process. In particular, it helps integrate the
content stored in a central database, and thus automate much of the
grunt work that programmers, producers and editors otherwise
undertake ''by hand.'' On top of the application server, Zope
programmers have written modules that provide particular
functionality: ''Squishdot,'' for example, is a module that makes a
Zope site look and work much like Slashdot.org."
"Not only are there free programs built on top of Zope, but
there's a consulting business, too. Digital Creations, which
manages the development of the open-source Zope (its chief
technology officer, Jim Fulton, is the man behind Zope), aims to
make its money on consulting and training. Commercial software
applications may come, but the focus will be on maintaining and
supporting the open-source Zope."
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