Versioned Domain Model is python library which allows you to ‘version’ your domain model in the same way that source code version control systems such as subversion allow you version your code. It is designed for use with SQLAlchemy.

• Code home: http://pypi.python.org/pypi/vdm
• Documentation: http://packages.python.org/vdm/
• Source: http://bitbucket.org/okfn/vdm/
• Mailing list: http://lists.okfn.org/mailman/listinfo/okfn-help