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OpenGIS Geography Markup Language (GML) - Application Schemas Defining Spatial Geometries 3.2.1

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interactive instruments GmbH

XtraServer 4.16   Registered: 2020-09-25
XtraServer 4.17
OpenGIS Geography Markup Language (GML) - Application Schemas Defining Spatial Geometries 3.2.1 (Certified: 2021-09-29)
  Registered: 2021-09-14
XtraServer 4.4   Registered: 2014-09-25
XtraServer 4.5   Registered: 2015-11-17

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lat/lon GmbH

deegree webservices 3.4   Registered: 2016-04-28
deegree webservices 3.4
OpenGIS Geography Markup Language (GML) - Application Schemas Defining Spatial Geometries 3.2.1 (Certified: 2017-05-10)
  Registered: 2016-04-28

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Safe Software, Inc.

FME Desktop 2021
OpenGIS Geography Markup Language (GML) - Application Schemas Defining Spatial Geometries 3.2.1 (Certified: 2021-06-04)
  Registered: 2021-03-16