A curated list of open technology projects to sustain a stable climate, energy supply, biodiversity and natural resources.

HexWatershed

A mesh independent flow direction model for hydrologic models.

depression-filling flow-direction flow-routing gis graph hydrology river-networks terrain-analysis unstructured-meshes visualisation watershed

Hydrosphere - Freshwater and Hydrology - Last synced: 26 Apr 2025 - Ranking: 12.0

rivamap

An Automated River Analysis and Mapping Engine.

automated-river-analysis mapping river river-networks

Natural Resources - Water Supply and Quality - Last synced: 26 Apr 2025 - Ranking: 8.5

WaterwayMap

River Basins from OpenStreetMap.

data-visualization geo geospatial openstreetmap openstreetmap-data osm osm-data river-network-analysis river-networks topology water watershed

Hydrosphere - Ocean and Hydrology Data Access - Last synced: 26 Apr 2025 - Ranking: 6.6