Graphisoft Archicad.

Design, visualize, document, and deliver projects of all sizes with Archicad’s robust set of built-in tools and easy-to-use interface, making it the most efficient and intuitive BIM software on the market. With Archicad, you can focus on what you do best: significant design buildings. Archicad saves you valuable time. You only need to create a 3D model once – and press a button to generate the associated floor plans, sections, and elevations. Every change you make to your building model automatically transfers to all plans.