| City Geography Markup Language (CityGML) Encoding Standard 1.0 | Implementing |
| City Geography Markup Language (CityGML) Encoding Standard 2.0 | Implementing |
| Geography Markup Language 2.1.2 | Implementing |
| Geography Markup Language (GML) Encoding Specification 3.0 | Implementing |
| Geography Markup Language (GML) Encoding Specification 3.1.1 | Implementing |
| | City Geography Markup Language 0.3.0 | Implementing |
| | GML 3.1.1 simple features profile 1.0.0 | Implementing |
| Geography Markup Language (GML) Encoding Standard 3.2.1 | Implementing |
| | Geography Markup Language (GML) simple features profile 2.0 | Implementing |
| | Geography Markup Language (GML) simple features profile (with Corrigendum) 2.0 | Implementing |
| GeoRSS, An Introduction to 1.0.0 | Implementing |
| GML Point Profile 0.4 | Implementing |
| KML 2.2.0 | Implementing |
| KML 2.1 Reference - An OGC Best Practice 2.1.0 | Implementing |
| Local MSD Implementation Profile (GML 3.2.1) 0.7.0 | Implementing |
| Temporal Standard Recommendations 0.0.9 | Implementing |