GeoServer is an open source server for sharing geospatial data.
Designed for interoperability, it publishes data from any major spatial data source using open standards.
News
GeoServer 2.18.2 Released Jan 20, 2021 • Andrea Aime
GeoServer 2.17.4 Released Dec 22, 2020 • Ian Turton
GeoServer 2.18.1 Released Nov 23, 2020 • Andrea Aime
GeoServer 2.17.3 Released Sep 30, 2020 • Andrea Aime
GeoServer 2.18.0 Released Sep 26, 2020 • ianturton
GeoServer 2.18-RC Release Candidate Sep 8, 2020 • jgarnett
OGC Implementation
GeoServer implements industry standard OGC protocols such as Web Feature Service (WFS), Web Map Service (WMS), and Web Coverage Service (WCS). Additional formats and publication options are available as extensions including Web Processing Service (WPS), and Web Map Tile Service (WMTS).
GeoServer is working with the OSGeo Foundation to be certified as compliant and we need your help. Thanks for your sponsorship and donations we are working towards restoring OGC testing into our nightly builds.

Part of a Vibrant Open Source Community
GeoServer is developed, tested, and supported as community-driven project by a diverse group of individuals and organizations around the world. We are proud to be a recognized Open Source Geospatial Foundation project.

Special Thanks
The following products are kindly supporting open source projects like GeoServer.

GeoServer Beginner's Guide, GeoServer Cookbook, Mastering GeoServer, GeoServer Beginner's Guide - Second Edition Fundamentals of Geoserver [Video] and Expert Geoserver are available from Packt Publishing.