BASEMENT
Free
ETH Zurich's free 2D hydraulics and morphodynamics simulator — rivers, sediment and hazard mapping.
Hydraulics & River SystemsActive2D Hydraulic ModellingSediment Transport
8 tools · Topic
QGIS Plugins for Hydrology & Water Engineering
QGIS has quietly become the default GIS for water engineers, and its plugin ecosystem covers profile tools, flood mapping, drainage networks and model interfaces. The plugins indexed here are the ones worth installing — each with notes on what it actually does well.
Crayfish
Open Source
QGIS plugin for exploring mesh model results — animate TUFLOW, Telemac and HEC-RAS 2D outputs in the GIS.
Geospatial & Hydro-GISStableQGIS HydrologyFlood Mapping
Generate SWMM inp (QGIS plugin)
Open Source
Build and read EPA SWMM models as QGIS layers — free GIS-based SWMM model construction.
Urban Stormwater & InfrastructureActiveSWMMQGIS Hydrology
QGIS
Open SourceVerified
The free, open-source GIS that has become the default spatial platform for water engineers worldwide.
Geospatial & Hydro-GISActiveQGIS HydrologyTerrain Analysis
QGISRed
Open Source
A QGIS plugin that turns the free GIS into a water-network modelling environment for EPANET.
Water Distribution & QualityActiveEPANETQGIS Hydrology
QSWAT+
Open Source
The QGIS interface for SWAT+ — delineate, discretise and build a watershed model without leaving the GIS.
Geospatial & Hydro-GISActiveQGIS Watershed DelineationQGIS Hydrology
TUFLOW
Commercial
Benchmark-setting commercial 1D/2D flood engine with GPU acceleration — dominant in AU/UK flood studies.
Hydraulics & River SystemsActive2D Hydraulic ModellingFlood Mapping
pyromb
Open Source
Build RORB, WBNM and URBS model files straight from GIS shapefiles — with companion QGIS plugins.
Hydrology & Catchment AnalysisActiveFlood RoutingQGIS Hydrology