Watershed Delineation & Hydro Tools
- HydroSHEDS / MG Hydro – Watershed Delineation
Online watershed delineation and basin boundary tools.
- Global Surface Water Explorer
Global Surface Water Explorer tools.
- QGIS (Free GIS Software)
Watershed processing, DEM tools, map-making, plugins.
- SRTM DEM (USGS)
Widely used DEM for watershed and terrain analysis.
- Watershed Delineation using Python (pysheds)
Open-source implementation for DEM preprocessing, flow direction, accumulation, and catchment delineation using pysheds.