| Filter Encoding 1.0 | Implementing |
| Filter Encoding Implementation Specification 1.1 | Implementing |
| Geographic Objects Implementation Specification *RETIRED* 1.0.0 | Implementing |
| Geography Markup Language (GML) Encoding Specification 3.0 | Implementing |
| Geography Markup Language (GML) Encoding Specification 3.1.1 | Implementing |
| Implementation Specification for Geographic information - Simple feature access - Part 2: SQL option 1.2.0 | Implementing |
| Implementation Specification for Geographic information - Simple feature access - Part 2: SQL option 1.2.1 | Implementing |
| Styled Layer Descriptor (SLD) Implementation Specification 1.0 | Implementing |
| Styled Layer Descriptor Profile of the Web Map Service Implementation Specification 1.1.0 | Implementing |
| Web Coverage Service (WCS) Implementation Specification 1.1.0 | Implementing |
| Web Coverage Service (WCS) Implementation Specification (Corrigendum) 1.0.0 | Implementing |
| Web Feature Service 1.0.0 | Implementing |
| | Web Feature Service (Transactional) 1.0.0 | Implementing |
| Web Feature Service (WFS) Implementation Specification 1.1.0 | Implementing |
| Web Map Service (Recommendation Paper) 1.3.0 | Implementing |
| Web Map Service (WMS) Implementation Specification 1.3.0 | Implementing |