Kentucky's KyFromAbove program provides statewide 2ft DEMs, 3-inch orthoimagery, 3-inch oblique imagery, and COPC LiDAR point clouds — all publicly available on S3 with a STAC API for discovery. abovepy gives you Pythonic access to all of it, plus server-side terrain analysis via TiTiler. No credentials required.
GeoZarr multiscale pyramids for planetary-scale rasters: a lazy, windowed and resumable writer of zarr v3 stores with sharding, for any xarray object with a CRS.