GeoServer is an open-source Java-based server for publishing, editing, and sharing geospatial data using open standards. It supports a wide range of OGC protocols including WMS, WFS, WCS, WPS, and CSW, enabling seamless interoperability across GIS platforms. GeoServer is widely used in environmental monitoring, agriculture, and smart land management systems for serving raster and vector data from formats like Shapefile, GeoTIFF, and PostGIS. It provides a web-based administration interface and REST APIs, making it highly configurable and scriptable for integration into spatial data infrastructures.