https://gisdata.pgplanning.org/opendata/
GIS Open Data Portal, Prince George's County Maryland, Planning Department
gis open data portalprince george
https://coloradoriverbasin-lincolninstitute.hub.arcgis.com/
Colorado River Basin GIS Open Data Portal
Colorado River Basin GIS Open Data Platform for sharing and downloading open-source GIS data from The Hardest Working River in the West, a StoryMap exploring...
colorado river basingis open dataportal
https://data.saccounty.gov/
Sacramento County GIS Open Data Site
Sacramento County GIS Open Data Site
gis open datasacramento countysite
https://brevard-gis-open-data-hub-brevardbocc.hub.arcgis.com/
Brevard GIS Open Data Hub
Brevard County's GIS Open Data Hub
gis open databrevardhub
https://opendata.columbus.gov/
GIS Open Data Columbus, OH
gis open datacolumbusoh
https://data.buncombenc.gov/
Buncombe County GIS Open Data Explorer, NC 1
Buncombe County, NC Hub Site
gis open databuncombe countyexplorer1
https://www.ogc.org/
OGC | Open Geospatial Standards for Location Data & GIS
Jul 6, 2026 - OGC develops 80+ open geospatial standards — WMS, WFS, GeoPackage, and OGC APIs — enabling interoperable location data for 500+ member organizations worldwide.
location dataogcopengeospatialstandards
https://data-ocpw.opendata.arcgis.com/
Orange County Open GIS Data Portal
OCGis: Orange County Open GIS Data Portal (Geospatial Hub Site)
orange county opengis dataportal
https://geohub-lakelandflorida.opendata.arcgis.com/
City of Lakeland, FL GIS Open Data
City of Lakeland, FL GIS Open Data
city of lakelandflgisopendata
https://data-wi-dpi.opendata.arcgis.com/
Wisconsin Department of Public Instruction GIS Open Data
Find school locations, district boundary, and other GIS data from the Wisconsin Department of Public Instruction.
department of publicwisconsininstructiongisopen