Depthmap is a single program platform to perform a set of spatial network analyses designed to understand social processes within the built environment. It works at a variety of scales from building through small urban to whole cities or states. The objective of the analysis is to derive variables which may have social or experiential significance.
UCL Depthmap Features:
1. Visibility graph analysis
2. Agent-based pedestrian modeling
3. Axial, convex and segment analysis
4. DXF and MapInfo MIF / MID import
5. OpenStreetMap, Tiger Line and Ordnance Survey ITN layer loaders
6. Text, SVG and EPS export

The license of this software is Free, you can free download and free use this calculator software.