AutoCAD (Subscribe)
Links
Autocad Central
http://www.autocadcentral.com/
A series of basic AutoCAD tutorials, and a discussion forum for questions and answers.
AutoCADder blog
http://autocadder.blogspot.com/
News and comments about AutoCAD, LT, Inventor and other Autodesk software, product releases, and technology.
Autocadzone
http://www.eezylearn.pwp.blueyonder.co.uk/
Free AutoCAD help and tips, tutorials and video tutorials, and student examples of 3D models.
Autodesk Blogs
A series of Blogs from Autodesk employees about various topics related to the company and its products.
Autodesk Point A
A second portal by Autodesk that helps designers to locate industry resources, with additional services for subscribers.
Autodesk, Inc.
The creators of AutoCAD. Includes the searchable support database, a download area and discussion groups.
CAD Forum
Database of tips and tricks for AutoCAD, AutoCAD LT, 3D Studio, Inventor and other products by Autodesk and HP.
CAD Panel
A source for AutoCAD users to download free AutoLISP routines, hatch patterns, material libraries, tips and techniques, extra help, and articles.
Cadalyst: Bugwatch
http://www.cadalyst.com/cadalyst/article/articleList.jsp?categoryId=3032
A monthly column documenting old and new bugs in AutoCAD and their workarounds or fixes, where available.
Cadopolis.com
Commercial portal for products and services related to AutoCAD, with add-ons, software downloads, forums and links.
Cadville
Free portal for AutoCAD and Autodesk product users, with news, product reviews, an events calendar, and links to other resources.
EllenFinkelstein.com
http://www.ellenfinkelstein.com/
AutoCAD tips and tutorials, the features of the latest AutoCAD release, a free monthly AutoCAD Tips Newsletter, and the AutoCAD Tips Blog.
The Autodesk File
http://www.fourmilab.ch/autofile/
A history of Autodesk and AutoCAD by John Walker, the founder of Autodesk.
The CAD Depot
A repository of freeware and shareware tools for use with AutoCAD and other CAD systems.
The CAD Geek Blog
Discussing popular Autodesk products such as AutoCAD, Civil 3D, Map 3D, and Land Desktop, by AUGI World columnist Donnie Gladfelter.