wms

deegree

OSS

Java framework for spatial data infrastructures and OGC web services.

Alternative to ArcGIS

QGIS Server

OSS

Open-source map server for publishing QGIS projects through OGC web services.

Alternative to ArcGIS

GeoServer

OSS

Open-source server for sharing geospatial data. Supports WMS, WFS, WCS, and more.

Alternative to ArcGIS, Mapbox

GeoTools

OSS

Open-source Java GIS toolkit for geospatial formats, standards, and services.

MapServer

OSS

Open-source platform for publishing spatial data and interactive maps to the web.

Alternative to ArcGIS

OWSLib

OSS

Python toolkit for clients of OGC and OGC API web services.

GeoWebCache

OSS

Java tile cache for accelerating WMS, WMTS, and other map tile services.