"Most of the publicity about open source software recently has
centred around Linux. Indeed, to many people, open source software
and Linux are almost interchangeable terms.
"But there is much more to it than Linux. A variety of software
is available in open source. Websites such as Sourceforge and
Freshmeat list thousands of open source utilities and applications
that anyone can download at no cost.
"Open source databases such as MySQL and PostgreSQL are widely
used around the world, often in production applications, and the
Apache web server is more widely used than its commercial
competitors. Clearly, something is happening..."