HEC-RAS is a software developed by the U.S. Army Corps of Engineers for modeling water flow in rivers and streams.
Best SWMM Alternatives ranked by AI · updated May 2025
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Storm Water Management Model is a widely used software for simulating urban runoff and sewer systems.
Price: Free
Top 6 SWMM alternatives
Delft3D is a flexible integrated modeling suite for water flow, sediment transport, and morphology. It is widely used in coastal, estuarine, river,...
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GeoHECRAS is a software product used for advanced river modeling and floodplain mapping.
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MIKE 11 is a modeling system for 1D water courses, widely used in flood modeling and river management.
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HydroCAD is a computer-aided design tool used for modeling stormwater runoff and designing stormwater management systems.
SewerCAD is a software for the design and analysis of wastewater and stormwater systems.
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