Twig.js is a pure JavaScript implementation of the Twig PHP templating language.

Jamroom is a community content management system. It enables you to bring your entire community online to participate in your websites content creation.

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

FuelPHP is an open source web application framework written in PHP which implements the HMVC pattern.

CodeIgniter is an open-source software rapid development web framework, for use in building dynamic web sites with PHP.

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

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

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".

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.

JSP Hosting on Linux Servers.

Tomcat Hosting on Linux Servers.

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

Java Hosting packages on Linux servers.

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.