DataCAD is described as 'Professional-level AEC CADD program for architectural design, photo-realistic rendering, animation, and construction document creation. Developed by architects and software engineers for architecture, DataCAD includes tools that make design and drafting easier, such' and is an app. There are more than 10 alternatives to DataCAD for a variety of platforms, including Windows, Mac, Web-based, Android and iPhone apps. The best DataCAD alternative is Autodesk AutoCAD. It's not free, so if you're looking for a free alternative, you could try MakerSCAD or Draft it. Other great apps like DataCAD are ArchiCAD, Ashampoo 3D CAD Professional, Vectorworks and Renga Architecture.