AutoCAD Civil 3D is described as 'Optimize civil engineering projects with integrated BIM tools within an AutoCAD framework, supporting transportation, land, and water development efficiently' and is a 3D Modeler in the photos & graphics category. There are eight alternatives to AutoCAD Civil 3D for Windows, Mac and Linux. The best AutoCAD Civil 3D alternative is LiCAD. It's not free, so if you're looking for a free alternative, you could try A/B Street. Other great apps like AutoCAD Civil 3D are Highroad, 12d Model, Bentley Inroads and Power GEOPAK.