I am aggregating a list of mapping data, geospatial, and Earth Observation sources. Feel free to contribute.
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Copernicus Data Space | link | Satellite (Optical, SAR) | 10–60m | Open (Copernicus) | Free | Yes | New platform replacing SciHub |
| Landsat USGS EarthExplorer | link | Imagery, Elevation, LiDAR | 30m, LiDAR varies | Public Domain | Free | Limited | Historic archive, bulk tools |
| MODIS (NASA) | link | Satellite (Optical, Thermal) | 250m–1km | Public Domain | Free | Yes | Daily coverage, climate data |
| VIIRS | link | Satellite (Optical, Thermal) | 375m–750m | Public Domain | Free | Yes | Day/night imagery, NOAA/NASA |
| NASA Earthdata/EOSDIS | link | Multiple (Satellite, Airborne) | Varies | Public Domain | Free | Yes | Portal for all NASA Earth science data |
| JAXA Global ALOS | link | Satellite (Optical, SAR) | 10–30m | Open (registration) | Free for research | Limited | Japanese satellite data |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Maxar (throwback name) | link | Satellite (Optical) & DEM | 0.3–0.5m | Commercial | $25–$50/sqkm | Yes | Global coverage |
| Airbus | link | Satellite (Optical) & DEM | 0.3–5m | Commercial | $5–25/sqkm | Yes | Global DEM & Imagery |
| Planet | link | Satellite (Optical) | 0.5–5m | Commercial | $6–$40/sqkm | Yes | Global, excellent platform |
| Blacksky | link | Satellite (Optical) | 0.35–1m | Commercial | $25/sqkm | Yes | Global, new 35cm archive |
| Satellogic | link | Satellite (Optical) | 0.7–1m | Commercial | $8–$18/sqkm | Yes | Global coverage |
| Orora Tech | link | Satellite (Thermal) | 80m | Commercial | $25/sqkm | Yes | Wildfire detection |
| Muon Space | link | Satellite (Firesat) | 5m | Commercial | n/a | Yes | Environmental monitoring |
| Constellr | link | Satellite (Thermal) | 10m | Commercial | n/a | Yes | Global coverage |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Umbra | link | Satellite (SAR) | 25cm–1m | CC 4.0 | varies/sqkm | Yes | High-resolution SAR |
| Capella Space | link | Satellite (SAR) | 0.5m | Commercial | $4000–6000/image | Yes | High-resolution SAR |
| Iceye | link | Satellite (SAR) | 25cm–1m | Commercial | $5000/image | Yes | Global coverage |
| Synspective | link | Satellite (SAR) | 1–3m | Commercial | Varies | Yes | Global coverage |
| Iqps - QPS | link | Satellite (SAR) | 0.5m-1m | Commercial | Varies | n/a | Increasing constellation |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Pixxel | link | Satellite (Hyperspectral) | 5m | Commercial | $150/seat/month | Yes | Global coverage |
| Wyvern | link | Satellite (Hyperspectral) | 5.3m | Commercial | $230/seat/year | Yes | Global coverage |
| Orbital Sidekick | link | Satellite (Hyperspectral) | 8m | Commercial | n/a | Yes | Global coverage |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| OpenAerialMap | link | Aerial | Varies | Open | Free | Yes | Global coverage |
| Hexagon | link | Aerial | 15cm-30cm | Commercial | Varies | | |
| Vexcel | link | Aerial | 30cm | Commercial | Varies | | |
| Nearmap | link | Aerial | 10cm | Commercial | Varies | | |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| OpenTopography | link | LiDAR, DEM | 0.5–5m | Mostly open | Free | Yes | Regional coverage, custom filters |
| USGS National Map | link | Elevation, Hydro, Vector | 1–10m | Public Domain | Free | Yes | Great US coverage |
| SRTM | link | Elevation (DEM) | 30m (US), 90m (global) | Public Domain | Free | Yes | Global elevation from 2000 |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| OpenStreetMap | link | Vector | N/A | ODbL | Free | Yes | Global, editable |
| Overture Maps | link | Vector (Places, Roads) | N/A | Open | Free | Yes | Backed by Meta, AWS, Microsoft, TomTom |
| Source Name | URL | Data Type | Resolution | License | Cost | API Access | Notes |
|---|
| Google Earth Engine | link | Analysis platform | Varies | Free for research/edu | Free (non-commercial) | Yes | Petabytes of data, cloud processing |
| Microsoft Planetary Computer | link | Multiple datasets | Varies | Varies | Free | Yes | Catalog with Sentinel, Landsat, more |
| Mapbox | link | Multiple datasets | Varies | Commercial | Varies | Yes | Custom maps and satellite |
| AWS Open Data Registry | link | Multiple datasets | Varies | Open | Free (egress fees) | Yes | Hosts Sentinel, Landsat, NAIP |
| Radiant Earth MLHub | link | ML-ready datasets | Varies | Varies | Free | Yes | Training data for ML applications |
| SkyFi | link | | | | | | |
| SkyWatch | link | | | | | | |
| Up42 | link | | | | | | |
Contributing: Please submit pull requests or issues to suggest additions or corrections!