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.

Symfony is a PHP web application framework and a set of reusable PHP components/libraries.

The Google Closure Library is a broad, well-tested, modular, and cross-browser JavaScript library.

sNews is a completely free, standards compliant, PHP and MySQL driven Content Management System. sNews is extremely lightweight, simple and customizable. It's easy to install, and easy to use via a simple web interface. sNews consists of only one core engine file, one independent template file and its accompanying CSS stylesheet file, plus an .htaccess file that makes all URLs search engine friendly.

Pluck is your small and simple content management system, written in php. With pluck, you can easily manage your own website without knowledge of programming languages.

Mambo is a full-featured, award-winning content management system that can be used for everything from simple websites to complex corporate applications. It is used all over the world to power government portals, corporate intranets and extranets, ecommerce sites, nonprofit outreach, schools, church, and community sites. Mambo's "power in simplicity" also makes it the CMS of choice for many small businesses and personal sites.

PRADO is an open source, object-oriented, event-driven, component-based PHP web framework.

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

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.

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.

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

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

Java Hosting packages on Linux servers.

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

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".

Private JVM hosting with pre-installed Tomcat server.

Tomcat Hosting on Linux Servers.