GISTAR software and routines include:
- PEM4PIT - Physically based method for pit filling. The software includes a collection of tools for DEM preprocessing: flat area removal, flow direction methods (D8, Dinf, LTD, etc.), river network extraction, flow time characterization
- FLOODPLAIN - Hydrological procedure for automatic floodplain extraction
- WFIUH - Rainfal-Runoff model (Width Function Instantaneous Unit Hydrograph)
Follow the links above and the menu items for finding more and downloading software and manuals.