Repositories list

• stac-extensions.github.io

  Public
  Overview of STAC Extensions, with advice on creating new extensions

  Python

  •

  Apache License 2.0

  •14•21•2•1•Updated Dec 26, 2025Dec 26, 2025

• mlm

  Public
  STAC Machine Learning Model (MLM) Extension to describe ML models, their training details, and inference runtime requirements.

  aimodelgeospatial+ 2mlstac

  Python

  •

  Apache License 2.0

  •6•56•14•1•Updated Dec 19, 2025Dec 19, 2025

• archive

  Public
  Archive extension that deals with cases when files are not directly accessible on their respective storage, but are part of an archive file, such as ZIP or TAR archives.

  Apache License 2.0

  •0•3•0•0•Updated Dec 19, 2025Dec 19, 2025

• ceos-ard

  Public
  Describes how to comply to the CEOS-ARD specifications with STAC. Supersedes the STAC CARD4L extension.

  Apache License 2.0

  •0•5•2•0•Updated Dec 15, 2025Dec 15, 2025

• sat

  Public
  Satellite related metadata for data collected from satellites.

  Apache License 2.0

  •2•9•2•1•Updated Dec 14, 2025Dec 14, 2025

• moving-features

  Public
  stac extension for moving features

  Apache License 2.0

  •1•0•0•1•Updated Dec 7, 2025Dec 7, 2025

• grid

  Public
  Describes gridded data products, especially the grid code.

  gridstac

  Python

  •

  Apache License 2.0

  •3•6•3•0•Updated Dec 5, 2025Dec 5, 2025

• storage

  Public
  Provides additional fields relating to how the asset is stored in the cloud

  Apache License 2.0

  •1•8•3•0•Updated Dec 2, 2025Dec 2, 2025

• application

  Public
  Describes applications (examples, workflows, ...) and links to them for execution.

  Apache License 2.0

  •0•1•7•0•Updated Dec 2, 2025Dec 2, 2025

• web-map-links

  Public
  Allows to provide links to web maps for visualization purposes

  Apache License 2.0

  •3•18•6•5•Updated Nov 27, 2025Nov 27, 2025

• raster

  Public
  Describes raster assets at band level (one or multiple) with specific information such as data type, unit, number of bits used, nodata.

  Apache License 2.0

  •7•17•2•1•Updated Nov 24, 2025Nov 24, 2025

• eo

  Public
  Covers electro-optical data that represents a snapshot of the Earth. It could consist of cloud cover and multiple spectral bands, for example visible bands, infrared bands, red edge bands and panchromatic bands.

  stableeostac

  Apache License 2.0

  •10•12•3•0•Updated Nov 24, 2025Nov 24, 2025

• composite

  Public archive
  Defines how virtual assets can be composed from existing assets in STAC

  stac

  Apache License 2.0

  •1•2•1•1•Updated Nov 19, 2025Nov 19, 2025

• external-ids

  Public
  A construct to provide additional identifiers in STAC, as originally defined in OGC APIs.

  Apache License 2.0

  •0•1•0•0•Updated Nov 18, 2025Nov 18, 2025

• link-templates

  Public
  A construct to provide templated links in STAC, as originally defined in OGC APIs.

  Apache License 2.0

  •0•2•0•0•Updated Nov 4, 2025Nov 4, 2025

• cmip6

  Public
  Apache License 2.0

  •4•2•4•0•Updated Sep 23, 2025Sep 23, 2025

• zarr

  Public
  This extension helps users open Zarr assets. It includes core fields from Zarr attributes especially those required when opening Zarr stores.

  Apache License 2.0

  •0•2•0•0•Updated Sep 4, 2025Sep 4, 2025

• view

  Public
  View Geometry adds metadata related to angles of sensors and other radiance angles that affect the view of resulting data.

  Apache License 2.0

  •1•6•0•0•Updated Aug 15, 2025Aug 15, 2025

• region

  Public
  An extension to describe geographical regions

  Apache License 2.0

  •0•0•0•0•Updated Aug 15, 2025Aug 15, 2025

• contacts

  Public
  A list of contacts with detailed information such as address, phone numbers, emails etc.

  contactsprovidersstac

  Apache License 2.0

  •0•1•0•0•Updated Aug 15, 2025Aug 15, 2025

• datacube

  Public
  Datacube related metadata to describe their dimensions and variables.

  datacubestac

  Apache License 2.0

  •6•21•4•0•Updated Jul 24, 2025Jul 24, 2025

• product

  Public
  Generic Product-related properties for STAC

  Apache License 2.0

  •3•4•3•1•Updated Jul 23, 2025Jul 23, 2025

• sar

  Public
  Covers synthetic-aperture radar data that represents a snapshot of the earth for a single date and time.

  Apache License 2.0

  •9•18•3•1•Updated Jul 16, 2025Jul 16, 2025

• ml-model

  Public archive
  An Item and Collection extension to describe machine learning (ML) models that operate on Earth observation data.

  Apache License 2.0

  •0•39•7•1•Updated Jul 14, 2025Jul 14, 2025

• processing

  Public
  Indicates from which processing chain data originates and how the data itself has been produced.

  Apache License 2.0

  •4•16•3•2•Updated Jul 10, 2025Jul 10, 2025

• label

  Public
  Items that relate labeled AOIs with source imagery.

  Apache License 2.0

  •4•12•10•3•Updated Jul 5, 2025Jul 5, 2025

• projection

  Public
  Provides a way to describe Items whose assets are in a geospatial projection.

  Apache License 2.0

  •7•9•4•2•Updated Jun 24, 2025Jun 24, 2025

• authentication

  Public
  Adds fields to define authentication or authorization flows used to access Assets and Links behind security

  Apache License 2.0

  •4•15•3•0•Updated Jun 18, 2025Jun 18, 2025

• xarray-assets

  Public archive
  This extension helps users open STAC Assets with xarray. It gives a place for catalog maintainers to specify various required or recommended options.

  Apache License 2.0

  •0•19•3•0•Updated Jun 4, 2025Jun 4, 2025

• hsi

  Public
  Extension for Hyperspectral Imagery, to preserve the wavelength information for Items.

  Apache License 2.0

  •1•5•3•0•Updated Apr 9, 2025Apr 9, 2025