- arml/2.0
- citygml/1.0
- citygml/2.0
- context/1.0.0
- context/1.1.0
- csw/2.0.2
- eop/1.0.0
- eosps/2.0
- filter/1.0.0 + filter/1.0.20
- filter/1.1.0
- filter/2.0.
- gml/1.0.0
- gml/2.1.2
- gml/3.1.1
- gml/3.2.0
- gml/3.2.1
- gml/3.3.0
- gmlcov/1.0
- gmlcov/geotiff/1.0
- gmljp2/2.0
- ic/2.0
- ic/2.1
- indoorgml/1.0
- iso/19139/20060504
- iso/19139/20070417
- kml/2.1
- kml/2.2.0
- kml/2.3
- ols/1.1.0
- ols/1.2
- ols/1.3
- om/1.0.0
- om/2.0
- omeo/1.0
- omx/1.0.0
- oseo/1.0
- owc/0.3.1
- ows/1.0.0
- ows/1.1.0
- ows/2.0
- sampling/1.0.0
- sampling/2.0
- samplingSpatial/2.0
- samplingSpecimen/2.0
- se/1.1.0
- sensorML/1.0.0
- sensorML/1.0.1
- sensorML/2.0
- sld/1.0.0
- sld/1.1.0
- sos/1.0.0
- sos/2.0
- sps/1.0.0
- sps/2.0
- sweCommon/1.0.0
- sweCommon/1.0.1
- sweCommon/2.0
- swes/2.0
- tjs/1.0
- tml/1.0.0
- wami/1.0.0
- wami/1.0.1
- wami/1.0.2
- waterml/2.0
- wcps/1.0
- wcs/1.0.0
- wcs/1.1
- wcs/2.0
- wcs/crs/1.0
- wcs/interpolation/1.0
- wcs/processing/2.0
- wcs/range-subsetting/1.0
- wcs/scaling/1.0
- wcs/wcseo/1.0
- wfs/1.0.0
- wfs/1.1.0
- wfs/2.0
- wms/1.0.0
- wms/1.1.0
- wms/1.1.1
- wms/1.3.0
- wmts/1.0
- wps/1.0.0
- wps/2.0
- wcst/1.1
- ImageCRSs/1.1.0 - no unzipped schemas, probably deprecated
- gml/3.0.0
- gml/3.0.1
- gml/3.1.0
- opensearchgeo/1.0 - RNC, not XSDs
- sf/1.0 - RDF, no schema
- owc/1.0 / RNC, not XSDs
- wcs/1.1.0 - deprecated