AC Plant Designer - A plant design and construction toolkit connecting AutoCAD with database functionality.
ACADstore - Offers third party add-ons to AutoCAD for architects, engineers, surveyors, designers and drafting professionals.
AccuRender - Create photorealistic, still, panorama, and animation image files from 3D models inside AutoCAD using raytracing and radiosity technologies.
Aceri, S.A. - Offers Electrical Designer, an electrical design solution for AutoCAD.
Adee's AutoCAD Answers - Answers to Frequently asked AutoCAD Questions.
Allsheets, Inc. - Autodesk Architectural Desktop plugins to automate roofs, details, cabinets, footers and other features for residential architectural design.
AMC Inc. - Provides programs for AutoCAD layer translation, and plotting GPS points in AutoCAD.
Anysoft - Shareware and freeware tools for AEC AutoCAD users and AutoLISP developers.
ArchSoft - A 2D application program for AutoCAD and IntelliCAD for producing architectural working drawings.
ArchSymb - Architectural symbols and routines for AutoCAD [requires Javascript for navigation].
Articulate Solutions Partnership - AutoCAD add-on for stage design, including truss and lights placement, weight loads checking, and equipment list creation.
ASVIC Engineering Software - Add-ons for AutoCAD and IntelliCAD for mechanical, piping, HVAC, and structural steel design [site may crash Netscape browsers]
ATG CCM Plus 2000 - Software for accessing and editing facility management data in AutoCAD with an integrated MS Access interface.
Austin AutoCAD User Group - With meeting schedules, job listings, and special interest groups.
Auto-Z - AutoCAD add-on that helps create feature-based 3D models by taking an existing 2D multi-view drawing and building an AutoCAD solid model. By EMT Software.
AutoCAD Developers Group Europe - A non-profit association of software developers who are working on applications around AutoCAD.
AutoCAD User Group for Silicon Valley and San Jose, CA - Information on group activities and many other aspects of using AutoCAD.
AutoCAD Users Forum - Community for AutoCAD users, with discussion boards about various related topics and software releases.
AutoCAD Virtual Users Group - A general resource site for AutoCAD users, including online forums, a link collection, and related news.
Autodesk Partner Products - A service site by Autodesk where you can search for registered developers and their products.
Autodesk Point A - A second portal by Autodesk that helps designers to locate industry resources, with additional services for subscribers.
Autodesk User Group International AUGI - The user organization officially sanctioned by Autodesk for its products. Further information requires registration.
Autodesk User Group United Kingdom - The AUG UK is a federation of local Autodesk User Groups and Special Interest Groups.
Autodesk, Inc. - The creators of AutoCAD. Includes the searchable support database, a download area and discussion groups.
AutoDUCT - An AutoCAD application for designing heating, ventilating and air conditioning systems.
AutoSolids - Offers 3D solid modeling and mechanical design software that works with AutoCAD.
AuxiSystems, Inc. - Makers of AUXIVA, an AutoCAD application supporting assembly oriented design and drafting.
Bugwatch - A monthly column documenting old and new bugs in AutoCAD and their workarounds or fixes, where available.
Cad Easy Corporation - AutoCAD extensions EasySite for terrain modelling and visualization, and EasySurf for mapping and road development, as well as related symbol libraries.
CAD Forum - Database of tips and tricks for AutoCAD, AutoCAD LT, 3D Studio, Inventor and other products by Autodesk and HP.
CAD fx, Inc. - AutoCAD applications with a focus on mechanical solutions for the machine tool industry.
Cad Shareware - Offers roof builder tools, a 3d roof modelling shareware for Autocad.
Cadopolis.com - Commercial portal for products and services related to AutoCAD, with add-ons, shareware, forums and links. [Requires Javascript]
Civilsofts - AutoCAD shareware and freeware utilities for civil engineering and surveying.
Computer Services Consultants Ltd. - Manufacturers of the 3D+ parametric 3D structural modeling and drawing application with integrated analysis and design.
CZISO - Isometric process piping application for AutoCAD, with automatic bill of materials.
DataM Software GmbH - COPRA MetalBender for AutoCAD and Mechanical Desktop for parametric and non paremetric sheet metal design and unfolding.
Design Master Software, Inc. - HVAC and electrical building design and drafting software for AutoCAD.
Devpipe - An AutoCAD application for generating the intersection profiles between pipe elements of various shapes.
EarthWorks Optimizer Pro - An application for optimizing the earthworks required in road and railroad design, working in combination with Autodesk Land Desktop or Civil Design.
EFnet Autodesk User Group - An online AutoCAD support group operating through the #Autocad IRC channel on EFnet.
FireAcad Design Software - AutoCAD extension for fire sprinkler designers. The program aids in design, hydraulic calculations and material listing.
GCAUG - Greater Chicago AutoCAD User's Group - Includes agenda of monthly meetings and provides general information about AutoCAD topics of interest.
GlobalCAD - Offers general drafting tools as well as LandARCH, a landscaping application for AutoCAD.
GoSteel - An AutoCAD application for steel construction from design to workshop documentation.
Houston Area AutoCAD User's Group - With AutoCAD news, information, software, hardware, and employment in Houston and surrounding areas.
InAdire Teknik - Free and commercial AutoCAD LT and MicroGDS add-ons for drawing reinforcement bars and insulation.
Jim's AutoCAD Page - Includes production tips, a question and answer column, help resources, and free AutoLisp files.
Katlyn Computer Kalcs, Inc. - Duct Works is a 2D solution for drawing and designing HVAC systems in AutoCAD.
Legal-Aid - Legal description software for land surveyors and mapping professionals using drawings created by AutoCAD and AutoCAD Land Development Desktop LDDT.
Leica Geosystems TPS-CAD - An online data acquisition application for use with AutoCAD and the LEICA TPS300 Series Total Stations.
lisp.bigswamp.org - Several free applications for tasks such as duct works, cogo point manipulation, and other utility functions.
Lost Boys Software - Bill of materials software for steel shapes and plates within AutoCAD, also offers custom programming.
LTplant - Electrical, instrumentation, and plant design software for AutoCAD LT, with isometric drafting and BOM functionality.
MarVic Soft Solutions - AutoCAD tools including parametric fasteners, block management, annotation editing, layer management, and a script generator.
MBA Computing - Offers AutoCAD applications for construction design with materials based modules, and housing development and partitioning.
Meliar Design - AutoCAD add-ons for creating cross sections on meshes and polylines and for mesh relaxation and panelling.
Office Manager for AutoCAD - Toolkit for AutoCAD managing office standards for room blocks, layer management, title blocks, and plotting selections [not visible to all browswers].
Peekay-CAD - Electrical, instrumentation, process and piping packages for AutoCAD.
Peninsula AutoCAD User Group - Supports AutoCAD operators in the southeast Virginia area with meeting schedules and job listings.
PERI GmbH - Offers the PERICAD AutoCAD extension and ELPOS for formwork planning with PERI Formwork and Scaffolding.
PRO-CAD Software Ltd. - Developers of 2D Designer and 3D Smart piping and electrical drafting and design software add-on programs for AutoCAD [requires Javascript].
Professional AutoCAD Users Group (PAUG) - AutoCAD user group providing user support for AutoCAD for Denver and Front Range areas of Colorado and Wyoming.
RCAD Software - Applications and AutoCAD or IntelliCAD extensions for geometric analysis of solids and surfaces, as well as for CAM preprocessing and simulation.
San Antonio AutoCAD User's Group - Basic information about the organization.
Satish Lele - A collection of AutoCAD add-on programs for piping in 2D and 3D, and other AutoLISP routines.
Skillnet - Multi-Batch application for AutoCAD, and SteelSect software for AutoCAD and IntelliCAD.
South Plains AutoCAD Users Group - Features a new member-supplied special tool or object each month.
Southern Ontario AutoCAD Practitioner's - Includes monthly updated tutorials, and free classifieds related to AutoCAD.
Spatial Terrain - Applications for terrain modeling, contouring, and volumetric operations, as used for mine planning and geological research.
Spectrum Software - CadQuik software series for AutoCAD, offering semi-automated piping, electrical diagrams, and a structural shapes library.
Stardsign CAD Solutions - Extensions to Architectural Desktop offering utility functions, dormer construction, and layer management.
Steel Stubs - A commercial add-on for AutoCAD 2000 which helps in the development of 3D structural and mechanical models.
SteelTools - Application for steel detaling in AutoCAD, with automatic bill of materials.
Stef's Stop - Tips, tricks, and tools for AutoCAD LT, as well as related software for download.
Struc Plus - Suite of parametric driven modules that provide tools and macros related to the preparation of structural engineering drawings.
Survey, Cogo and Drafting - Surveying, coordinate geometry, digital terrain modelling, and drafting applications for Intellicad and AutoCAD, as well as free autolisp routines.
The AutoCAD Resource Site - AutoCAD directory, including online magazines, user groups, newsletters, news groups, and tutorials.
The Autodesk File - A history of Autodesk and AutoCAD by John Walker, the founder of Autodesk.
The CAD Compass - Offers industry news, articles, and moderated discussion forums about computer aided design standards for the building industry, after free registration.
The CAD Depot - A repository of freeware and shareware tools for use with AutoCAD and other CAD systems.
Tovna Digital Engineering Ltd. - Developers and resellers of applications and hebrew language support for AutoCAD.
Trace Elec Pro - An electrical schematic solution for AutoCAD. Also available as a stand alone product.
TRACE Software - A developer of AutoCAD applications for electrical tracing and plant design, as well as a parts database.
TurboTube - An AutoCAD application for the design of piping structures and components.
West Texas AutoCAD User's Group - Includes an events schedule, code and drawing libraries, and local job listings.
Western Austalian AutoCad Users Group - Contains meetings schedule and other organizational information.
Wichita Area AutoCAD Users Group - With AutoLISP downloads and AutoCAD related links.