IntelCAD Systems - Shareware for processing DWG files without AutoCAD, recovery service for DWG files that cannot be repaired with AutoCAD.Vdraft - Drawing editor compatible with AutoCAD 2000 files, as well as viewer software and browser plug-ins.
Furix - AutoCAD tools Better WMF for cutting and pasting, CompareDWG for comparing drawings, and Screen Wintab, a virtual tablet driver.
ScriptSheets - A free MS-Excel 2000 application to automate AutoCAD by dynamically generating scripts from spreadsheet calculations.
dwgBase - A DWG/DXF file searching and reporting tool, to analyze drawings for entity properties and xref requirements.
Hurricane PowerTool - Batch processor to automate repetitive editing tasks, and file selection shortcut utility.
Sepialine - Utilities for plot management and plot tracking with AutoCAD.
EZscript-Pro - Runs AutoCAD scripts and AutoLISP programs on a defined set of drawings, configurable through a graphical interface.
Eclipse Software - Develop and market Auto Spooler, a plot spooling solution for AutoCAD.
Ableteq Solutions - Authors of Auto ScriptGen and DWGLogger, for batch processing and mass renaming of AutoCAD files.
Cad-organizer - Plan management software for AutoCAD, with file access through a normal web browser.
CADwizz - Amethyst CADwizz allows to view AutoCAD DWG and DXF files and to convert between them, on recent Windows systems.
Purgem 2000 - Batch purging utility which allows you to manage large AutoCAD (12-14, 2000 and LT versions) drawing archives.