What I make of it
The de facto earth-observation catalog model — a genuine open-standard success story.
STAC (SpatioTemporal Asset Catalog)
Metadata Model
Geospatial
openly published
About STAC STAC Spec Tools & Resources Datasets toggleSubmenu(e, 'Get Involved')" > Get Involved How to help Data Providers Developers Data Users Toggle Navigation About STAC Get Involved Tutorials Explore How to Help Data Providers Developers Data Users STAC Spec Resources Tutorials Tools & Resources Datasets STAC Index FAQs STAC Community The STAC ecosystem is driven by open source contributions and community support. If you would like to help STAC grow and evolve, start by visiting our Get Involved page. We also accept pull requests on our many open source projects....
Also in the API standards catalog
This standard shows up on both sides of the house — as a data model here, and as a standard applied in API operations. Same standard, two lenses.
See it as an API standard →Other geospatial data models
FGDC CSDGM (Federal Geographic Data Committee)
Metadata Model
GeoJSON
Exchange Schema
GeoPackage
Exchange Schema
OGC GeoSPARQL
Ontology / Vocabulary
INSPIRE Data Specifications
Information Model
ISO 19107 / 19109 Spatial Schema and General Feature Model
Information Model
ISO 19115 Geographic Metadata
Metadata Model
KML
Exchange Schema
OGC 3D Tiles
Exchange Schema
OGC API - Features / Records / EDR (Open Geospatial Consortium)
Exchange Schema
OGC Moving Features (Open Geospatial Consortium)
Information Model
OGC Simple Features
Information Model