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Joomla is an award-winning content management system (CMS), which enables you to build Web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular Web site software available. Best of all, Joomla is an open source solution that is freely available to everyone.

Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes.

Twig.js is a pure JavaScript implementation of the Twig PHP templating language.

Yii is an open source, object-oriented, component-based MVC PHP web application framework.

e107 is a content management system written in PHP and using the popular open source MySQL database system for content storage. It's completely free, totally customisable and in constant development.

Monstra is a fast and small content management system written in PHP! Monstra is the best CMS to manage a small-business website.

PHP-Nuke is a web-based automated news publishing and content management system based on PHP and MySQL. The system is fully controlled using a web-based user interface. PHP-Nuke was originally a fork of the Thatware news portal system.

Meteor, or MeteorJS, is a free and open-source isomorphic JavaScript web framework[3] written using Node.js.

Hippo CMS is an open-source, dual licensed, Content Management System.

OpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.

Java Hosting packages on Linux servers.

SmartClient is set of mobile and cross-browser HTML5 UI components combined with a Java-based Ajax framework, created by Isomorphic Software to build business web applications.

LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

Google Web Toolkit, or GWT Web Toolkit, is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.

OpenWGA is Web Content Management computer software running on the Java Enterprise Edition Platform.

dotCMS is an open source content management system (CMS) written in Java for managing content and content driven sites and applications.

Ametys is a free and open source content management system (CMS) written in Java.

Liferay makes software that helps companies create digital experiences on web, mobile and connected devices.