GML

Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. … Read more about GML

GPX

GPS Exchange Format is an XML schema designed as a common GPS data format for software applications. … Read more about GPX

GeoJSON

An open standard format designed for representing simple geographical features, along with their non-spatial attributes. … Read more about GeoJSON