ODC Public Domain Dedication and Licence (PDDL)
A lay explaination of this license is available at https://opendatacommons.org/licenses/pddl/summary/. The full legal text is also available online at https://opendatacommons.org/licenses/pddl/1.0/.
The Open Data Commons – Public Domain Dedication & Licence is a document intended to allow you to freely share, modify, and use this work for any purpose and without any restrictions. This licence is intended for use on databases or their contents (“data”), either together or individually.
Many databases are covered by copyright. Some jurisdictions, mainly in Europe, have specific special rights that cover databases called the “sui generis” database right. Both of these sets of rights, as well as other legal rights used to protect databases and data, can create uncertainty or practical difficulty for those wishing to share databases and their underlying data but retain a limited amount of rights under a “some rights reserved” approach to licensing as