DITA CMIS Explorer by DITALabs, is an Open Source web-based repository browser, which seamlessly integrates and extends existing content management systems to support DITA. Try it for yourself!
Our product aims to:

• become a free and widely supported alternative to current commercial offerings;
• promote best practices through structured authoring, single-sourcing and content reuse principles;
• simplify the separation of content from presentation and context;
• provide search and reuse from familiar information products such as MS Word and Outlook;
• enable fast, accurate and tailored content delivery;
• encourage collaboration between knowledge workers; and
• integrate with most CMS providers and Authoring tools, including Alfresco, MS SharePoint, Filesystem, XMetaL, Xopus and more.