GeoServer is an open-source server designed for sharing, processing, and editing geospatial data. It enables users to publish geospatial data from various data sources using open standards, making it accessible and interoperable with a wide range of client applications. GeoServer supports numerous formats and services like Web Map Service (WMS), Web Feature Service (WFS), and Web Coverage Service (WCS). The website https://www.geoserver.com.tr likely offers localized support or services related to GeoServer for users in Turkey, including documentation, support, and possibly additional resources for deployment and integration of GeoServer in geospatial projects.