Geographic information system.
File formats:
The Web Map Tile Service (WMTS) and Web Feature Server (WFS) are both specifications used in the field of Geographic Information Systems (GIS) to serve different types of geographic data over the web. The primary differences between them lie in the type of data they serve and how they serve it.
[[Web Map Tile Service (WMTS)]]
[[Web Feature Server (WFS)]]
[[Key Differences of Web Feature Server (WFS) and Web Feature Server (WFS)]]
There are free GIS softwares