Many AutoCAD® users have reference files set up in World coordinates. Attaching such files when in a different User Coordinate System (UCS) can result in the contents appearing at incorrect locations.

The XrefStates plugin can be used to simplify the use of multiple Externally Referenced drawings inside AutoCAD®.

The PDFin plug-in allows you to open and edit PDF files directly within Autodesk® AutoCAD®. Fully licensed version.

The PDFin plug-in allows you to open and edit PDF drawings within Autodesk® AutoCAD® and other Autodesk programs. Trial with watermark.

SeeBlock is a powerful Autodesk® AutoCAD® add-on to build and manage block libraries that enhances your ability to catalog and manipulate DWG symbols and drawings.

Why spend 15 to 20 minutes creating a Bar Joist when you could do the same thing in 30 seconds by using the Joist2K program? Joist2K module includes the K, VS, LH and DLH Series and Joist Girders.

Slotted Holes Pro, gives you the tools to add an array of short or long slotted holes, or round holes.

CMU Factory creates a wide variety of Concrete Masonry Unit Blocks in Plan view with multiple options for each end condition and face conditions. Unlimited CMU selections to create any type CMU.

Quick Block helps in the creation of C.M.U. Block Coursing for Wall Sections and Details.

Brick Coursing for Wall Sections, Building Sections and Wall Details.

As fast as selecting two points your deck is created as a single polyline based on the steel floor or roof deck type selected. Select deck type, click OK, then select select two points, instant deck.

Use to create Metric concrete block wall sections or details with coursing based on joint thickness.

This app helps to export your drawing files' names which are of .dwg format to a text file.

Tanks 3D Metric includes five vertical tank styles, and three horizontal vessel types. The program has a simple dialog box interface allowing the user to specify the dimensions.

Bolts2D parametrically creates Imperial Bolts/Nuts/Washers in plan or elevation views for easy placement in steel details.

HVAC Round Duct is a quick input parametric 3D drafting program for the creation of 3D Round Duct and Fittings.

Steel3D-JIS creates a variety of Steel Shapes in 3D solids based on JIS database. Create simple or complex shapes made from a single non-segmented polyline.

Steel2D-JIS creates a variety of Steel Shapes in 2D views, Plan, Section and Elevation views based on JIS database. Create simple or complex shapes made from a single non-segmented polyline.

Metric Brick Coursing for Wall Sections, Building Sections and Wall Details.

Bolts3D Metric parametrically creates bolts/nuts/washers for easy placement in 3D Structural Steel models Choose from three different insertion types Down, Side or Up.

Update block attribute text from an MText or Text object

The U-Bolts plugin helps you create U-Bolts standard and Light Weight around pipes of various sizes.

Area Object Link is a Lisp application that helps you link a Pline or Hatch Area value to a Block Attribute, MText or Text object

Tanks 2D includes five vertical tank styles, and three horizontal vessel types. The program has a simple dialog box interface allowing the user to specify the dimensions.