Automatic polyline layout and routing for a selection of blocks and intersecting polylines, arcs, splines, and lines.

Draws automatically trimmed and filleted polylines and splines between blocks.

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).

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.

A collection of automation tools and an extensive block library which simplifies the creation of drawings that conform to the PWGSC National CADD Data Standard.

SteelGen generates pipes and steel profiles extruding along any linear entity, polyline or arc.

PolyTools provides some utilities to edit polylines.

Solinas is a piping detailing solution for Autodesk® AutoCAD® 2019,2020

Searches for as specific text string in multiple Autodesk® AutoCAD® files.

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

Attach PDF and all types of images (PNG, JPEG...) directly on your blueprints. DWG files are on the way ;)

FINALCAD Clean & Fix will allow you to work with an external drawing in the quickest way.

Paperspace titleblocks in sheet sizes A 8.5x11, both landscape and portrait, B 11x17, C 12x18, D 24x36, E 30x42.

ArchBlocks CAD Trees Plan View is a CAD blocks symbol library with 43 symbols of trees in plan view.

Select blocks by attributes value or visibility state and manage selected block data in a data grid.

This is a great library of AutoCAD® Clock symbols. There are CAD symbols of clocks including wall clocks, mantel clocks, tavern clocks, floor clocks, and longcase clocks.

This full set of Autodesk® AutoCAD® drawings of a 4 door sedan, gives you the plan view, right side, left side, rear view, and front view.

ArchBlocks Electrical CAD symbols library. There are 73 CAD blocks of electrical symbols.

The Sokoban plugin allows you to play the classic Sokoban game inside Autodesk® AutoCAD®!

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

Ultimate solution for creating Layouts and Viewports.

Application that draws dynamic coordinate grids linked to closed polylines.