IntelCAD Systems  
   Shareware for processing DWG files without AutoCAD, recovery service for DWG files that cannot be repaired with AutoCAD.
   http://www.intelcad.com/

Furix  
   AutoCAD tools Better WMF for cutting and pasting, CompareDWG for comparing drawings, and Screen Wintab, a virtual tablet driver.
   http://www.furix.com/

ScriptSheets  
   A free MS-Excel 2000 application to automate AutoCAD by dynamically generating scripts from spreadsheet calculations.
   http://www.scriptsheets.com/

Hurricane PowerTool  
   Batch processor to automate repetitive editing tasks, and file selection shortcut utility.
   http://www.74mph.com/

Sepialine  
   Utilities for plot management and plot tracking with AutoCAD.
   http://www.sepialine.com/

Eclipse Software  
   Develop and market Auto Spooler, a plot spooling solution for AutoCAD.
   http://www.eclipse3d.com/

Cad-organizer  
   Plan management software for AutoCAD, with file access through a normal web browser.
   http://www.cad-organizer.com/

CADwizz  
   Amethyst CADwizz allows to view AutoCAD DWG and DXF files and to convert between them, on recent Windows systems.
   http://www.cadwizz.com/

Purgem 2000  
   Batch purging utility which allows you to manage large AutoCAD (12-14, 2000 and LT versions) drawing archives.
   http://www.absolutecompsolutions.com/purgem2000.htm

SoftSource LLC  
   Makers of the Vdraft drawing editor compatible with AutoCAD files, as well as viewer software and browser plug-ins.
   http://softsource.com/

DWG IFilter  
   Enables the indexing service of windows 2000 or windows NT to search for textual content in DWG files on fileshares.
   http://www.cad-company.nl/ifilter/

Mc2 and Associates  
   Configurable PLOT-IT batch plotting software for AutoCAD files, with preprocessing capabilities like layer management and date stamping.
   http://www.m-c-2.com/

AutoDWG Software  
   Converters between DWG, PDF DXF, DWF, and several image file formats, and AutoDWG Attribute Extractor to retreive block information, all as standalone programs.
   http://www.autodwg.com/

EZscript-Pro  
   Runs AutoCAD scripts and AutoLISP programs on a defined set of drawings, configurable through a graphical interface.
   http://www.angelfire.com/clone/ezscript/

Somaxx CAD-Applications  
   Offers Export Manager, an AutoCAD extension for exporting drawings into a large number of vector and raster file formats.
   http://www.somaxx.com/

Triple R Technologies, Limited Partnership  
   Offers Plotstream, a server based plotting system for AutoCAD.
   http://www.plotstream.com/

Motive Systems  
   Color plotting application for AutoCAD, with gradient fill and pattern effects.
   http://www.motivesys.com/

JTB World  
   SmartPurger is a batch utility that purges multiple drawings. Also offers other related utilities and costom development.
   http://www.jtbworld.com/

VoyagerSoft, LLC  
   SolidConverter DWG converts dwg and dxf files to other versions. Utility run as a standalone utility, batch command line processing or plug-in for AutoCAD 2004.
   http://www.soliddocuments.com/