Digital Asset Management (DAM) Tools

Looking for a good, open source, DAM tool. Here’s what I am findind:

• http://www.resourcespace.org/
• http://entermediasoftware.com/views/download/index.html (XML, optional DB plugins; CentOS 6.3)
• http://notredam.org/download-and-install/
• https://www.phraseanet.com/en/download/
• http://razuna.org/