Are you searching for any special data sets, or data from specific domains?
If you find interesting data in other formats (e.g. KML or Shapefile) you can convert them to GeoJSON, either by using some tools (e.g. ogr2ogr or QGIS), or find some online converter.
Answers
Are you searching for any special data sets, or data from specific domains?
If you find interesting data in other formats (e.g. KML or Shapefile) you can convert them to GeoJSON, either by using some tools (e.g. ogr2ogr or QGIS), or find some online converter.
Do you know there is a wonderful tool, called Internet, and its searches?
For example: https://www.google.fr/search?q=free+geojson+maps