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MapServer vs GeoServer: catalog facts
MapServer	GeoServer

Best for: Organisations publishing their own spatial data as web maps	Best for: Organisations publishing spatial data through standard web map services
Free Free and open source; commercial support is available from third-party providers.	Free Free and open source; commercial support is available from third-party companies.
Windows, macOS, Linux, Self-hosted	Self-hosted
Long-established OSGeo project with regular releases Runs on Windows, Linux and macOS Permissive MIT-style license Suite includes MapCache and TinyOWS	OGC-certified WMS, WFS, WCS and WMTS Reads many spatial data sources Active releases with security updates in 2026 OSGeo project with commercial support options
Not a full GIS for editing or analysis Requires server setup and configuration	Requires GIS knowledge to set up and run Server software, not a map viewer for end users
Self-hosted	Self-hosted
Open source	Open source
License: MIT	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for MapServer mapserver.org Catalog checked September 24, 2026	Official website Full listing and sources Sources for GeoServer geoserver.org Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.