This library contains a relatively small sample data set with Open Street Map tiles. The data won't be updated regularly so you should not rely on this data for anything else but demonstration purposes.
This data is made available under the Open Database License: http://opendatacommons.org/licenses/odbl/1.0/. Any rights in individual contents of the database are licensed under the Database Contents License: http://opendatacommons.org/licenses/dbcl/1.0/