Flow Planner provides a quick and painless way to diagram and quantify the flow of people and materials within any Autodesk® AutoCAD® layout drawing.

BLi (Block Line Insertion): This tool will insert blocks in interval distances on the selected items.

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

AutoFEM Analysis provides the free software solution of finite element analysis for Autodesk® AutoCAD® 2013 - 2020. The system is fully integrated into AutoCAD 3D environment.

AutoFEM Analysis Tutorial allows you to learn the finite-element analysis of mechanical structures. It can be used separately or together with AutoFEM Analysis - finite-element analysis software.

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.