HEC-GeoHMS - Hydrologic Engineering Center

Software type:Extension
Website:http://www.hec.usace.army.mil/software/hec-geohms/
Accessibility:Install only
Requirements:

ArcGIS already installed on your computer
Computer System:Windows, MacOSX
Scope:Modelling
Vector/Raster:Vector, Raster
Costs:Free
Tutorials:
Recommended Practice: Flood Hazard Mapping