ArchiCAD is described as 'offers computer aided solutions for handling all common aspects of aesthetics and engineering during the whole design process of the built environment — buildings, interiors, urban areas, etc' and is a CAD Software in the Photos & Graphics category. There are more than 50 alternatives to ArchiCAD for a variety of platforms, including Windows, Mac, Linux, Online / Web-based and iPad. Most alternatives are CAD Software, 3D Modelers and Interior Design Apps. The best alternative is FreeCAD, which is both free and Open Source. Other great apps like ArchiCAD are SketchUp (Freemium), Sweet Home 3D (Free, Open Source), LibreCAD (Free, Open Source) and Autodesk AutoCAD (Paid).
SketchUp (formerly Google Sketchup) is a 3D modeling computer program for a wide range of drawing applications such as architectural, interior design, civil and mechanical engineering, film, and video game design—and available in a freeware version, SketchUp Make, and a paid...
Some users think SketchUp is a great alternative to ArchiCAD, some don't.
LibreCAD (originally QCad then CADuntu) is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.
LibreCAD vs ArchiCAD opinions
This alternative is disputed. LibreCAD is still a legitimate alternative to ArchiCAD, but it might have issues that some users think are important.
AutoCAD is a leading CAD (computer-aided design) software used professionally throughout architectural, electrical, mechanical and other engineering and design industries. It was once available under a perpetual license but is now accessed solely through a subscription.
Most users think Autodesk AutoCAD is a great alternative to ArchiCAD.
BricsCAD the first all-in-one CAD design solution in .dwg that answers all your needs; 2D drafting, 3D modeling, mechanical design, and BIM. BricsCAD is a cost-effective, innovative, and familiar CAD solution.