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@@ -431,6 +431,7 @@ Long list of geospatial analysis tools. Geospatial analysis, or just spatial ana
 
 ## Fortran
 * [6S](http://6s.ltdri.org/) - Second Simulation of the Satellite Signal in the Solar Spectrum (6S) open source algorithm.
+* [SWAT](https://github.com/WatershedModels/SWAT) - Implementation of SWAT model.
 
 
 ## Go