Overview of STAC Extensions, with advice on creating new extensions

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

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

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

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

Generic Product-related properties for STAC

Altimetry Extension Specification

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

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

Describes categorical values and bitfields to give values in a file a certain meaning (classification).