CaMa-Flood-GPU
Open Source
GPU reimplementation of the CaMa-Flood global river routing model — continental flood simulation on PyTorch/Triton.
11 tools · Topic
Flood & Reservoir Routing Tools
Routing moves a hydrograph through a channel reach or a reservoir — Muskingum, Muskingum-Cunge, level-pool. These tools implement the classic routing methods as libraries and calculators, for everything from quick detention checks to full river-system models.
Delta Hydro Studio
FreemiumVerified
Browser-based hydrology and hydraulics calculators for practising engineers — no install, report-ready output.
EPA SWMM
Gov-PublicVerified
The public-domain engine of urban drainage: dynamic-wave pipe networks, runoff, LID and water quality.
HEC-HMS
FreeVerified
The US Army Corps standard for rainfall-runoff modelling — event and continuous simulation, free to use.
HEC-ResSim
Free
Reservoir system simulation from HEC — operating rules, flood control and multi-reservoir networks, free.
LocalSWMM
Open Source
Browser-based urban stormwater and drainage modeling powered by OpenSWMM 6 compiled to WebAssembly.
RIVIA
Open Source
A modern Python interface for HEC-RAS project parsing, simulation automation, and result visualization.
Visual OTTHYMO
Commercial
Hydrologic modeling software for urban and rural stormwater management, master drainage planning, and pond design.
WBNM
Free
The Watershed Bounded Network Model — free Australian runoff-routing hydrology for flood estimation.
Wflow.jl
Open Source
Deltares' distributed hydrological model in Julia — gridded rainfall-runoff with kinematic-wave routing.
pyromb
Open Source
Build RORB, WBNM and URBS model files straight from GIS shapefiles — with companion QGIS plugins.