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Croogo is a free, open source, content management system for PHP. It is powered by CakePHP MVC framework.

Nucleus CMS is a flexible and easy to install content management system, aka blog software. It helps you to publish a website and lets writers do what they are best at: writing items or articles, without having to worry about formatting and markup.

Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It is powered by PHP and has very powerful theme and extension engines, so you can personalize it however you want.

Zend Framework (ZF) is an open source, object-oriented web application framework.

Silex is a free and open source software that allows to create Flash and Html websites directly in the browser without writing code.

MochiKit is a light-weight JavaScript library written and maintained by Bob Ippolito.

PivotX is free software to help you maintain dynamic sites such as weblogs, online journals and other frequently updated websites in general. It's written in PHP and uses MySQL or flat files as a database.

Xoops is an easy to use dynamic web content management system written in PHP.

Pimcore is a powerful and robust Zend Framework based PHP content management system (WCMS) for creating and managing digital content and assets.

Adult Java Hosting packages on Linux Servers.

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

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

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

Private JVM hosting with pre-installed Tomcat server.

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".

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

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

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.