Downloading FastTerrain 2.0 from our website was free. The program belongs to Photo & Graphics Tools. This free tool was originally developed by Diolkos3D. The most popular versions of the program 2.0 and 1.0. The common filename for the program's installer is FastTerrain.exe.
From the developer:
In FastTerrain you are able to create, edit and visualize in 3D space digital terrain models. The program includes functionalities for break-lines and holes insertion as well as volume calculations and contours lines creation. With FastTerrain you can estimate excavation volumes by using digital terrain models (DTMs). Perfect choice for Civil Engineers, Surveyors, Architects in every day practice.
You may want to check out more software, such as Smart Map, stCAD or eDrawings for SketchUp, which might be similar to FastTerrain.