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

Open Blog is a free and open source blogging platform built using the CodeIgniter PHP framework.

Joose is a complete modern object system for JavaScript based on concepts from many programming languages such as Ruby, Smalltalk, Perl and, well, JavaScript.

SilverStripe CMS is an open source web content management system used by governments, businesses, and non-profit organisations around the world. It is a power tool for professional web development teams, and web content authors rave about how easy it is to use.

Blosxom is a free-software weblog program (and simple content management system) written in Perl.

Gyroscope is an open source PHP framework and a code template system for building web backend systems.

Magnolia is an open-source digital business platform with a content management system (CMS) at its core.

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

JSP Hosting on Linux Servers.

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.

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

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

Java Hosting packages on Linux servers.

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.

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