FreeDict

About

Summary from SourceForge page:

Free translating dictionaries. The data is kept as XML complying to the TEI DTD. This enables to include features such as phonetics, part of speech and etymology information in a project independent format.

Access/Re-use

Fully open. From the project website:

On this page you find translating dictionary databases. The databases are free. That means they are available under the GNU General Public Licence or a less restrictive licence.

Details on how to check out all the packages in the CVS can be found in the FAQ.