Municipal Mapper (Muni Mapper for short) is a mapping tool created by the Office of Geographic Information (MassGIS). Muni Mapper provides access to a selection of map information from the MassGIS statewide repository. Muni Mapper provides basic capabilities for displaying, searching, and sharing map information. Users can download data for use in a Geographic Information System (GIS). Please note that some Muni Mapper tools and layers may not be available.