Blender - Blender is the open source, cross platform suite of tools for 3D creation.
CADMAPPER - Instant CAD files for any location on earth
Strata Design 3D CX - Strata Design 3D CX is a professional-level 3D modeling and animation software for Mac that delivers end-to-end power for the entire 3D design workflow.
MAPACAD - MAPACAD is an online website that is providing leverage to designers and architectures to have the ability to download CAD map cities that can be directly used in their projects.
PathEngine - PathEngine is a middleware toolkit for the implementation of intelligent agent movement, built around and implementation of points-of-visibility pathfinding on 3D ground surfaces.
Cadbull - Cadbull is a website that comes with an advanced collection of CAD blocks and DWG design, facilitating architects and designers to get done with their projects efficiently.