Here you can find a list of Top popular list of CMS. If i miss anyone please add in on comments.
WordPress– Express yourself. Start a blog.
Drupal – equipped with a powerful blend of features, rich set of modules, very popular.
Joomla – popular, award-winning CMS that will help you build powerful online applications.
XOOPS – extensible, easy to use; ideal tool for developing small to large dynamic community websites, blogs, portals and much more.
e107 – totally customizable content management system written in PHP using MySQL database.
Plone – ready-to-run, easy to set up, extremely flexible, and ideal for project groups, communities, websites, extranets and intranets.
Zope – an open source application server for building content management systems, intranets, portals, and custom applications.
PHPnuke – established CMS featuring web-based administration, surveys, customizable blocks, modules and themes with multilanguage support.
Dotnetnuke – port of PHPNuke into Microsoft .NET platform.
Typo3 – flexible and extensible CMS with an accomplished set of ready-made interfaces, functions and modules.
PostNuke – fork of PHP-Nuke to make it more secure, stable, and able to work in high-volume environments with ease.
SyntaxCMS – simplify publishing , create and edit site content online, and approve it before publishing to the web.
jLibrary is a DMS (Document Management System), oriented for personal and enterprise use.
V2 CMS – simple CMS, easy to install and modify.
Website Baker – PHP-based CMS designed to make website creation easy.
Jahia – use the Jahia community edition for publishing, managing files, and workflow.
eZPublish – created by eZ Systems, which has a team of professional software developers responsible for creating and maintaining the CMS.
Magnolia – makes Enterprise Content Management simple by being user-friendly, battle-tested, enterprise-ready and open-source.
WebGUI – built to give average business users the ability to build and maintain complex web sites.
OpenCMS – helps content managers worldwide to create and maintain beautiful websites fast and efficiently.
PHP-Fusion – a lightweight, small and versatile CMS.
SiteFrame™ – lightweight content-management system designed for the rapid deployment of community-based websites.
TribalCMS – includes multilanguage support, template architectures, AJAX User Interfaces and unique administration.
Xaraya – create sophisticated web applications; designers enjoy considerable flexibility.
Krang – designed to publish magazine websites.
MMBase – CMS with strong multi media features and advanced portal functionalities.
Pligg – based on Menéame (Spanish Digg clone), Pligg enables you to create Digg-like sites.
elevateIT – an extension of ZOPE/Plone server.
Cofax – manages your text and multimedia content, and simplifies the presentation of newspapers.
DBPrism – first open source CMS based on Oracle XMLDB repository.
Flux CMS – XML/XSLT based, easy to use, extensible and suitable for developers to fill specific needs.
Apache Lenya – Java/XML based CMS that comes with revision control, multi-site management, scheduling, and workflow.
Rubricks – CMS for Ruby on Rails fans, boasts simplicity and speed.
Silva – built on top of Zope, enables you to export to Word, stream media, store content as XML, and manage hierarchical and traditional websites.
YACS – build your online blogging communities.
Clever Copy – A scalable website portal and news posting system.
Fundanemt – focused on usability and aimed at small and medium sized websites.
Dragonfly CMS – feature-rich open source content management system, based on PHP-Nuke 6.
ContentNOW – simple to use, flexible, multilanguage, modular CMS.
Bitweaver – suitable for large-scale community websites and corporate applications.
Elxis CMS – professional free open source CMS released under the GNU/GPL license.
Etomite – allows you to remotely administer your website from anywhere.
fuzzylime – simple way for you to run your site and keep it up-to-date.
iGaming CMS – build your own gaming websites.
MODx – CMS that helps you take control of your online content.
PHP comasy – simple, multilingual and fast content management system.
Mambo – very well-known CMS. Can be used for everything from simple websites to complex corporate applications.
Jupiter – one of the most lightweight portal systems available.
Ovidentia – integrate an environment for publishing content on the www or a groupware portal.
Jaws – build your own modules on the powerful Jaws framework.
Geeklog – out of the box blog solution with support for comments, trackbacks, multiple syndication formats, and spam protection.
CMS Made Simple – make a home page for your family or your multinational corporation.
Eazy portal – solution allowing you to maintain your own online community.
Papoo – accessible content management system
phpWebSite – develop an interactive, community-driven website.
RunCms – portal system that includes most things a webmaster would expect from a CMS.
Exponent – allows site owners to easily create and manage dynamic websites without necessarily directly coding web pages, or managing site navigation.
SPIP – publishing system, use it freely for your own site, be it personal, co-operative, institutional or commercial.
Silverstripe – powerful enough for any website or intranet design and simple enough for anyone to use.
Pheap – created for folks who don’t like complex CMSs like Joomla and Drupal.
MDPro – an innovative and imaginative content management system.
TYPOlight webCMS – specializes in accessibility and uses XHTML and CSS to generate W3C/WAI compliant pages.
PlumeCMS – have multiple websites, multiple authors with different rights.
Xepient Open-Point – create a professional website quickly through the browser.
SlashCode – the original code for the Slashdot geek news service.
YaWPS – is a hybrid between a content management system and a web portal for medium or small-sized websites.
APC ActionApps – allow authorized users to easily update the content of their website.
Pagetool – suitable for people with limited technical skills to modify and contribute to an organization’s web site
OpenACS – toolkit for building scalable, community-oriented web applications.
ttCMS – build your community website with calendars, surveys, member management and authentication, file downloads, forum, articles, and announcements.
MySource – enables technically unskilled users to build and maintain their own web solutions.
Ariadne – web application server and content management system.
Mason CM – makes it easy to manage the workflow of information as it moves from staging to the live site.
Managee – comprehensive web based CMS.
ESY Web Builder – an intuitive content management system that allows non-technical people to create and manage websites and extranets.
PHProjekt – a groupware suite, for the coordination of group activities and to share information and documents via intranet and internet.
PROPS – extensible publishing system designed specifically for periodicals such as newspapers and magazines
Midgard CMS – internationalized set of tools for building web sites and networked applications.
Pivot – web-based tool to help you maintain dynamic sites, like weblogs or online journals.