pyflwdir
Fast methods to work with hydro- and topography data in pure Python.
basins d8 hydrography hydrology ldd topography watershed
Hydrosphere - Freshwater and Hydrology - Last synced: 02 Jun 2026 - Ranking: 16.6
swmmio
Python tools for interacting with, editing, and visualizing EPA SWMM5 models.
civil-engineering hydraulic-modeling hydroinformatics python swmm5 watershed
Natural Resources - Water Supply and Quality - Last synced: 01 Jun 2026 - Ranking: 15.9
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: 01 Jun 2026 - Ranking: 14.6
BASINS
Better Assessment Science Integrating Point and Nonpoint Sources is a multipurpose environmental analysis system designed to help regional, state, and local agencies perform watershed- and water quality-based studies.
basins hspexp hspf modeling water-quality watershed
Hydrosphere - Freshwater and Hydrology - Last synced: 01 Jun 2026 - Ranking: 8.3
Mohid
A modular finite volumes water-modeling system written in ANSI-Fortran95 using an Object-oriented programming philosophy, integrating diverse mathematical models and supporting graphical user interfaces that manage all the pre- and post-processing.
biogeochemical-model catchment circulation estuary fortran hydrodynamic-modeling lagrangian-ocean-modelling mohid ocean oil-spills open-source watershed watershed-modeling
Hydrosphere - Ocean Models - Last synced: 01 Jun 2026 - Ranking: 8.2
SWAT+
A small watershed to river basin-scale model to simulate the quality and quantity of surface and ground water and predict the environmental impact of land use, land management practices, and climate change.
hydrology modeling nutrients water watershed
Hydrosphere - Freshwater and Hydrology - Last synced: 01 Jun 2026 - Ranking: 7.4
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: 01 Jun 2026 - Ranking: 6.9
shadia
An R package that was designed to run dam passage performance standard models for American shad and other herrings.
climate dam fish-passage fisheries herring hydropower individual-based management-strategy-evaluation r river shad watershed
Biosphere - Marine Life and Fishery - Last synced: 01 Jun 2026 - Ranking: -Infinity
