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.

Concrete5 makes running a website easy. Go to any page in your site, and a editing toolbar gives you all the controls you need to update your website. No intimidating manuals, no complicated administration interfaces - just point and click.

Gyroscope is an open source PHP framework and a code template system for building web backend systems.

OctoberCMS is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. A simple and modular CMS that grows with you, with a precise and beautiful interface that comes as second nature.

WonderCMS is a completely free open source Content Management System, or in other words, a free website builder.

Open Real Estate is a free software for building websites of real estate agencies and realtors. It is based on Yii CMF - one of the fast working modern frameworks.

Subrion is a stand-alone PHP content management system that is very easy to use. It comes with a ton of great features including full source editing, per-page permissions, user activity monitoring, and much more.

Dotclear is an open-source web publishing software created in 2002 by Olivier Meunier. A one man's project at first, Dotclear soon gathered a team comprising different personalities with various backgrounds.

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

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

JSP Hosting on Linux Servers.

Tomcat Hosting on Linux Servers.

Apache Roller is a Java-based Open Source "full-featured, Multi-blog, Multi-user, and group-blog server suitable for blog sites large and small".

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.

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

Magnolia is an open-source digital business platform with a content management system (CMS) at its core.

OpenCms is an open source content management system written in Java.