ogc

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.

GeoNode

OSS

Open-source web platform for managing, publishing, and sharing geospatial data.

Alternative to ArcGIS

JSTS

OSS

JavaScript port of the JTS topology suite for 2D spatial predicates and operations.

GEOS

OSS

C/C++ computational geometry library powering PostGIS, Shapely and QGIS.

pygeoapi

OSS

Python server implementation of the OGC API suite for publishing geospatial data.

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.

H2GIS

OSS

Spatial extension for H2 with OGC-compatible spatial SQL and analysis tools.

JTS Topology Suite

OSS

Java library of 2D spatial predicates and functions; the design behind GEOS and JSTS.

MapServer

OSS

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

Alternative to ArcGIS

pycsw

OSS

Python OGC API and CSW server for publishing and discovering geospatial metadata.

PyWPS

OSS

Python implementation of the OGC Web Processing Service standard.

morecantile

OSS

Python library for constructing and using OGC tile matrix sets beyond Web Mercator.

Mapbender

OSS

Open-source WebGIS framework for building map applications without code.

Spatial extension for SQLite — a full spatial database in a single file.