Licence/Licence and Legal FAQ: Difference between revisions

If you distribute our data onwards to third parties, you must do so under the ODbL license. This means they can then in turn use that data for any purpose, as well as themselves provide it onwards under the terms of the ODbL. The same applies for any ''Derivative Database'' you create.

However, it will '''not''' apply to any other data forming part of a ''Collective Database''. This data you can license under any terms you like. To help you work out what is a ''Derivative Database'' and what is a ''Collective Database'', we have provided detailed guidance under our Horizontal Layers Guideline [[Licence/Community_Guidelines/Horizontal_Map_Layers_-_Guideline|hereHorizontal Layers Guideline]], Regional Cuts Guideline [[Licence/Community_Guidelines/Regional_Cuts_-_Guideline|hereRegional Cuts Guideline]], and our Collective Database Guideline [[Licence/Community_Guidelines/Collective_Database_Guideline_Guideline|here Collective Database Guideline]]. We would strongly encourage you to read all of these, as they provide relevant examples, you may find helpful.

For ''Produced Works'', the situation is a little different. You can license a ''Produced workWork'' under any terms you like. However, any '''recipient''' to which you make the Produced Work available can ask for a copy of both: our data and any ''Derivative Database'' you use in connection with that ''Produced Work''. You are required to provide these, if requested. If you haven’t made changes to the OSM data, you can simply refer users back to [https://www.openstreetmap.org/ openstreetmap.org] as the data source.

Do you have to share your changes you make to OSMOpenStreetMap data back to the community? Well, we obviously prefer it if you add the data straight back to our database, but you do not have to, as long as you comply with the above. If you do contribute back, please make sure you comply with our contribution[[Licence/Contributor_Terms|Contributor rulesTerms]]. For help see [[How_to_contributeLicence/Licence_and_Legal_FAQ#2._CONTRIBUTING_DATA_TO_OpenStreetMap|heresection 2.]] below.

What if you are only using the OSMOpenStreetMap data and any ''Derivative Database'' internally? If you do not make ''Public Use'' of the data, then you do not have to share anything with anybody.