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

PivotX is free software to help you maintain dynamic sites such as weblogs, online journals and other frequently updated websites in general. It's written in PHP and uses MySQL or flat files as a database.

Rialto (Rich Internet Application Toolkit) is a cross browser Ajax-based JavaScript widgets library.

Nucleus CMS is a flexible and easy to install content management system, aka blog software. It helps you to publish a website and lets writers do what they are best at: writing items or articles, without having to worry about formatting and markup.

Redaxscript is an ultra lightweight website engine, simplifying the world of complex online projects.

Webmail Hosting on Linux Servers.

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

Liferay makes software that helps companies create digital experiences on web, mobile and connected devices.

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

Private JVM hosting with pre-installed Tomcat server.

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

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.

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

Ametys is a free and open source content management system (CMS) 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".