Backbone.js is a JavaScript library with a RESTful JSON interface and is based on the model–view–presenter (MVP) application design paradigm.

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.

Bolt is a tool for Content Management, which strives to be as simple and straightforward as possible.

TwistPHP is an open-source web framework.

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

Pixie is a free, open source web application that will help quickly create your own website.

React (sometimes styled React.js or ReactJS) is a JavaScript library[2] for building user interfaces.

Blog & CMS Platform.

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.

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".

Adult Java Hosting packages on Linux Servers.

Private JVM hosting with pre-installed Tomcat server.

Tomcat Hosting on Linux Servers.

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.

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

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.