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

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.

Unit testing framework for Javascript

Javascript Hosting on Linux Servers.

Nibbleblog is easy, fast and free CMS Blog

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.

Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It is powered by PHP and has very powerful theme and extension engines, so you can personalize it however you want.

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

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

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

Java Hosting packages on Linux servers.

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

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

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.

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.