free and open-source software used in the production of this site

The production of Crystallography Journals Online depends on the use of several free and open-source software packages. The main ones used are listed below.

	Apache (www.apache.org) The HTTP server software.
	GNU software (www.gnu.org) Various pieces of GNU software including GIMP and ghostscript.
	ImageMagick (www.imagemagick.org) Very powerful and high quality graphics-manipulation suite.
	MySQL (www.mysql.com) A very quick relational database from Michael `Monty' Widenius at TcX.
	Perl (www.perl.org) Larry Wall's fantastic multi-purpose scripting language.
	RedHat Linux (www.redhat.com) A great operating system.
	Ubuntu Linux (www.ubuntu.com) Another great operating system.
Rsync	Rsync (rsync.samba.org)
Samba	Samba (www.samba.org)
	Sendmail (www.sendmail.org) The ubiquitous high-volume mail-transfer agent.
	Postfix (www.postfix.org) Fast, easy to administer, and secure, sendmail compatible mail-transfer agent.
SP	SP (www.jclark.com) James Clark's SGML parser.
	SWISH-E (www.swish-e.com) A fast, powerful, flexible, free, and easy to use indexing engine.
	TCL (www.scriptics.com) John K. Ousterhout's powerful, quick and easy-to-use scripting language.
TeX and LaTeX	TeX and LaTeX (www.ctan.org) Donald Knuth's typesetting language and Leslie Lamport's extension of it.
	Jmol (jmol.sourceforge.net) Jmol is a free, open source molecule viewer for students, educators, and researchers in chemistry and biochemistry.

For a directory of free software visit the Free Software Foundation free software directory. An extensive archive of open-source software can be found at http://www.ibiblio.org/pub/Linux/!INDEX.html.