TauDEM (Terrain Analysis Using Digital Elevation Models) is a suite of Digital Elevation Model (DEM) tools for the extraction and analysis of hydrologic information from topography as represented by a DEM. 

For more information on the development of TauDEM please refer to the wiki https://github.com/dtarb/TauDEM/wiki.

For the latest release and detailed documentation please refer to the website: http://hydrology.usu.edu/taudem.