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LifeType supports multiple blogs and users, media management, generation of standard content, clean URLs and support for subdomains. LifeType is released under the GPL license, and requires PHP and MySQL to work.

Blog & CMS Platform.

SiteCake is a drag and drop CMS for simple websites. It lets you publish the content just by dragging it to your web page. It's CMS for static websites, with few pages only, to cover the niche below WordPress level of complexity.

Cappuccino is an open source application framework for developing applications that look and feel like the desktop software users are familiar with.

PyroCMS is an easy to use, powerful, and modular CMS and development platform built with Laravel 5.

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.

A complete JavaScript UI component library that allows you to quickly build eye-catching, high-quality, high-performance responsive web apps using your framework of choice.

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.

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

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

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.

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

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

XWiki is a free wiki software platform written in Java with a design emphasis on extensibility.

Private JVM hosting with pre-installed Tomcat server.

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.

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

eXo Platform is an open source, standard-based, Enterprise Social Collaboration Platform written in Java.