* Share-Alike: If you publicly use any adapted version of this database, or works produced from an adapted database, you must also offer that adapted database under the ODbL.
* Keep open: If you redistribute the database, or an adapted version of it, then you may use technological measures that restrict the work (such as [[digital rights management]]) as long as you also redistribute a version without such measures.
==Notable uses==
The [[OpenStreetMap]] (OSM) project completed the move from a [[Creative Commons]] license to ODbL in September 2012<ref>{{cite web|title=OpenStreetMap data license is ODbL|date=12 September 2012 |url=http://blog.osmfoundation.org/2012/09/12/openstreetmap-data-license-is-odbl/|publisher=OpenStreetMap Foundation|access-date=17 September 2012}}</ref> in an attempt to have more legal security<ref>{{cite web|title=Legal FAQ|url=https://wiki.openstreetmap.org/wiki/Legal_FAQ/CC-BY-SA_Archive#What.27s_this_about_a_licence_change.3F|publisher=OpenStreetMap}}</ref> and a more specific license for databases rather than creative works.<ref>{{Cite journal |last=Mayr |first=Markus |title=A Web-Based System for Comparative Analysis of OpenStreetMap Data by the Use of CouchDB |url=https://bizstanding.com/ |journal= |via=Academia.edu}}</ref>
Other projects using ODbL include [[OpenCorporates]],<ref>{{Cite web|url=https://opencorporates.com/legal/licence|title = Licence :: Info :: OpenCorporates}}</ref> [[Open Data Blend]],<ref>{{Cite web|title=Open Database Licence (ODbL) {{!}} Open Data Blend|url=https://www.opendatablend.io/open-database-licence|access-date=2021-07-20|website=www.opendatablend.io}}</ref> [[Open Food Facts]],<ref>{{Cite web|url=https://world.openfoodfacts.org/data|title=Data|website=world.openfoodfacts.org}}</ref> [[Paris OpenData]],<ref>{{Cite web|url=https://opendata.paris.fr/page/lalicence/|title=Open Data Paris|website=opendata.paris.fr}}</ref> and Overture Maps.<ref>{{cite web |title=Download – Overture Maps Foundation |url=https://overturemaps.org/download/ |access-date=26 July 2023}}</ref>