4MCAD is a releable and low cost AutoCAD alternative. 4MCAD provides full DWG file compatibility, similar User Interface, as well as full support for AutoCAD commands, menus, scripts, styles, patterns.
BIM software for land 3D modeling and analysis. In one product you have all the tools for land survey restitution and analysis, information modeling and quantities calculation.
BIM software for the design of roads and highways. In one product you have all the tools for design, policy control, information modeling and quantities calculation.