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

CMS Made Simple provides a fast and easy way to create a professional web site and manage its content, whether it's for a small business or a multinational corporation!

Serendipity is a PHP-powered weblog application which gives the user an easy way to maintain an online diary, weblog or even a complete homepage. While the default package is designed for the casual blogger, Serendipity offers a flexible, expandable and easy-to-use framework with the power for professional applications.

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

StatusNet is the open source microblogging platform that helps you share and connect in real-time within your own domain. With StatusNet you can encourage collaboration, build and engage your community, and be in command of your brand.

QUnit is a powerful, easy-to-use JavaScript unit testing framework.

MODX helps you take control of your online content. An Open Source PHP application framework, it frees you to build sites exactly how you want and make them 100% yours. Zero restrictions and fast to build. Super-simple templates in regular HTML/CSS/JS (any lib you want). Registered user systems and a killer community. Welcome to web-building nirvana.

CSS Hosting on Linux Servers.

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

Adult Java Hosting packages 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".

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.

Java Hosting packages on Linux servers.

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

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

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