3
QGIS Development Team
98
Open source
QGIS is the best GIS tool in the Free and open-source software (FOSS) community.
3
NextGIS
47
Freeware
NextGIS QGIS allows you to download sample dataset, adopted for Russia.
1
QGIS Development Team
3,345
Open source
QGIS is a user friendly Open Source Geographic Information System (GIS).
5
QGIS Development Team
1,175
Open source
QGIS Las is a free and open-source geographic information system.
3
Dodson && Associates, Inc.
6
Shareware
HydroCalc is ideal for designing drainage channels and all types of culverts.
2
Alan A. Smith Inc.
53
Shareware
A Windows-based software that helps you to engineer complex drainage networks.
Wallingford Software Limited
34
Freeware
It is designed for the estimation of flood and drainage water levels in rivers.
14
Computational Hydraulics Int.
16
Commercial
PCSWMM is an urban drainage modeling application for working with GIS/CAD.
Elkington Gatic
3
Shareware
Help engineers and architects to design effective surface water drainage systems.
Delft GeoSystems B.V.
8
Demo
It's a quick tool for drainage problems in well permeable soils called aquifers.
