SDUCT allows you to create double line HVAC ductwork in Autodesk® AutoCAD®.

BackToCAD Publisher is a stand-alone converter that allows the CAD user to convert hundreds of DWG/DXF, ACIS (SAT), PRC files into 2D PDF, 3D PDF, and PRC (3D PDF or CAD Input).

Create a cross sectional noise map with multiple traffic noise sources. Interactive calculation of noise barrier height with multiple sources and receivers.

Changes colors of entities in a drawing to any other color.

Finds the shortest path between two points in a road network.

These time saving tools are used to create surface developments of basic shapes.

CADsecurity Signature helps you to place watermarks and well-hidden signatures in your drawing as prevention or protection against unauthorized copying of a drawing's parts.