Wow… what we have always been looking for…

The CMS Matrix is a The Content Management Comparison Tool where you can review up to 10 different products side-by-side…

It's a good independent and objective resource for investigating your CMS options.

The full list of content magament systems is shocking long:

Absolut Engine

ADXSTUDIO

AGPCMS

Apache Lenya

Ariadne

Arp.Site Free

Artiloo

AssetNow

AutoWebBuilder

autowebcms

AWF

Axinom Enterprise CMS

Axyl

Back-End CMS

BeYourOwn.net

Big Medium

Bitrix Site Manager

BLOG:CMS

BolinOS

Bricolage

Caravel

CathDesign CMS

CMS Encore Pro

CMS Master

Cofax

CommonSpot Content Server

conrad://

Cont'N'Shop

ContentM

ContentServ

ContentX

ContentXML

contentXXL – ASP.NET CMS

Contribute

CPG-Nuke

Daisy

dbCanvas

DEV WMS

Direct News

DotNetNuke

Dozing Dogs ASP.NET CMS

Drupal

Dynasite – Universal CMS

E-Commerce SIBOX CMS

e-publish

e107

Easy Publisher

ECMSuite

eContent

Ektron CMS300

eNetwizard Matrix Server

ENID

Enonic Vertical Site

EPIX

Eplica

Esselbach Storyteller CMS

Estrada Web Technology

Etomite

eTouch CMS

Exponent

eZ publish

finalsite

FLUiD CMS

fly CMS

Freestyler

Geeklog

GiiCorp CMS

GYO

HardCore WCM

Harmonise

i-Web Suite

IceWEB CMS

ICMv2

icogs

imCMS

Immediacy CMS

Interwoven TeamSite

Isens Evolution

ISIPortal

Jahia

Jetbox CMS

Kentico CMS for ASP.NET

Komodo CMS

Komplete Publishing

Krang

Land Down Under

lemoon®

Libertas Enterprise CMS

Livelink WCM Server

liveSTORYBOARD CMS

Magnolia

Mambo

MammonBase

Manifest

Manila

MARQUI

MD-Pro

Merge Portal

MeshCMS

MetaDot

Miraserver

MKDoc

MMBase

mmprove for publications

mmprove for websites

Moodle

Movable Type

multineo neOS

My Web Pro

Near-Time Flow

Netdoc

NetManager

NPDS

NPS

Nuxeo CPS

Open CMS

OpenACS

openEngine

OPENi-CMS

OpenPHPNuke

openshare

Opus

Oracle Portals

Pathos

PHP Nuke

phpSlash

phpwcms

phpWebSite

PHPX

Plone

Polopoly

Poseidon

PostNuke

Quantum Art Q-Publishing

Rainbow

REDAXO

RedDot CMS

Revize

Roxen CMS

SabreTooth

Saurus CMS

SelbstdenkerFrameworks

Sharepoint Portal Server

Silva

Simplicis

Site & Content Manager

Site Sapiens�

Site Unit CMS

Site Wizard

SiteBuilder

SiteConnect Server

Sitecore

SiteKreator

Sitellite CMS

SiteRefresh

SiteSage CMS

SiteWorks Professional

Slashcode

Smartsite CMS

SpinPike Commerce

SPIP

SuiteWise

Sytadel

Taggon

TCMS

Text-e

Tiki CMS/Groupware

Tikipro

Tonic

Tools for Organizations

TWiki

TYPO3

WAXTRAPP

Web Content Manager

Web Manager

Webbler

WebDB

webEdition

WebEngine v6

WebGUI

WebHare A.P.

WebPal

Websphere EIP

WordPress

WORKSsitebuilder

WYMSY

Xaraya

xBx Site Manager

XCMS

XHP – eXpandable Home Pag

Xitex WebContent M1 PE

Xitex WebContent M1 SE

Xoops

Zonus Engine

I count 194 CMS systems there… and at least one is still missing there… continendo … wow unbelievable valuable resource.