Office2CAD to import MicroSoft Excel and Word files into AutoCAD and MicroStation, AutoBlock to link block attributes to an Excel sheet, and Image2CAD to convert raster data to DXF.

AutoCAD add-ons for 3D modelling, isometric drafting, and block library management.

Free AutoLISP routine that measures and displays distances in various units.

Sells the TEMPLATE AutoCAD block management utility.

Developers of productivity add-ons covering most aspects of working with AutoCAD.

A group of tools to exchange the values of Area/Length property or coordinates for various AutoCAD entities with an Excel sheet.

Software that extends AutoCAD LT with ARX and AutoLisp programming interfaces, as well as with other commands known from the full version of AutoCAD.

Shareware AutoCAD Utilities to Change, Plot, and Purge multiple drawings, or to create custom leaders.

Shareware and freeware for AutoCAD. Also provides consulting, customization and support services.

Menu utilities and interface enhancements for recent AutoCAD versions.