GeoServer is described as «The reference implementation of the Open Geospatial Consortiums WFS and WMS services, GeoServer is a full featured open source software server written in Java that allows users to query, visualize, combine, edit and publish spatial data over the web» and is a Map service in the travel & location category. There are more than 10 alternatives to GeoServer for a variety of platforms, including Online / Web-based, Windows, Linux, Mac and Android. The best alternative is Mapbox Studio, which is free. Other great apps like GeoServer are MapTiler Cloud, GRASS GIS, SAGA GIS and Mapserver.GeoServer alternatives are mainly Map Services but may also be GIS Software. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of GeoServer.
