This is a list made by me by using Google search and some DP threads here trying to gather list of free and paid content & article management systems for easier reference by DP members to avoid seeing posts everyday asking for links to CMS
FREE & Open Source CMS
WordPress
http://www.wordpress.org
Joomal
http://www.joomla.org
eZ Publish
http://ez.no/ezpublish
e107
http://e107.org
Mambo
www.MamboServer.com
OpenPHPNuke
http://www.openphpnuke.com
Typo3
http://www.typo3.com
TikiWiki
http://tikiwiki.sourceforge.net
PostNuke
http://www.postnuke.com
Drupal
http://www.drupal.org
CMSimple
http://www.cmsimple.dk
DotClear
http://www.dotclear.net
pMachine
http://www.pmachine.com
Textpattern
www.textpattern.com
www.textpattern.org
Xoops
www.xoops.org
Etomite Content Management System
http://www.etomite.org
OpenCMS
http://www.opencms.org/opencms/en/
MODx Content Management System
http://modxcms.com/
sNews (thanks to iatbm)
http://www.solucija.com
Plone
www.plone.org
More of those can be found
Here
Here and Here and Here too
Paid CMS
AssetNow NX
http://www.assetnow.com
ArticleLive
www.interspire.com/articlelive
Softbiz Article Management Script
http://www.softbizscripts.com/articl...ent-script.php
AlstraSoft Article Manager Pro
http://www.alstrasoft.com/article_manager.htm
ExpressionEngine
http://www.pmachine.com/expressionengine/features.php
Subdreamer CMS
www.subdreamer.com
www.subdreamer.org
Esselbach Storyteller.
http://www.esselbach.com