SketchUp is a 3D modeling program marketed by Google and designed for architectural, civil, and mechanical engineers as well as filmmakers, game developers, and related professions. The program, which is designed for ease of use, allows placement of models within Google Earth. wikipedia.org

Digital plan management and takeoff software for the construction industry.

Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like roads, bridges, canals, dams, and buildings. wikipedia.org

A quantity surveyor (QS) is a professional working within the construction industry concerned with contracts, measurement and costs on construction projects. Their work include cost planning, value engineering, value management, feasibility studies, cost benefit analysis, life-cycle costing... wikipedia.org

On Center Software's On-Screen Takeoff (OST) solution effectively scales to support small construction businesses to large construction enterprises.

Autodesk Revit Architecture often referred to as simply Revit is a Building Information Modeling software developed by Autodesk. It allows the user to design with both parametric 3D modeling and 2D drafting elements. wikipedia.org