General Survey
Difficult to be comprehensive when the area to cover doubles from time to time. Searching on the Net means searching in multiples places. Check the following links before giving up your research.
CAD on The Web
by Franco Folini of the University of Parma. A nice list of links on most of the suppliers related to CADCAM. Includes link to newsgroup.
Ralph Grabowski's CAD Sites on the Web
Interesting for its page on VRML and Other CAD resources. A special article about Autocad R13.
InstArchives - CAD Resources on the Net
Sorted list with a comment for each link. Collection maintained by InstArchive
. They offer manual conversion of CAD files.
Product Modelling and Realization - Collection of WWW Links More specifically on sites related to product modeling and STEP. (was http://www.cs.hut.fi/research.html)
STEP links for AEC
Explanations and links on Step in general and its application in AEC
List of CADCAM Vendors and related hardware
, Maintained by CGW
Art Of Design
: This french site provides some interresting informations.
Information Management Technologies
have a part of their site. They are in the document conversion business
The CAD/CAM World
by François Lamy of ICAM. With his personal opinions. Very complete and sorted by large categories CAD, CAM etc.. . Include a list of download area.
CIMdata Home Page 
Manufacturing
at Microsoft and Engineering
at Microsoft.. Both will give you information about CADCAM solutions based on Microsoft operating systems.
Yahoo provides several entries for CADCAM. It may be difficult to see exactly what is corresponding to our business. Check the following
Yahoo! - Business and Economy:Companies:Computers/software/Graphics/CAD_CAM
this is were you will find the entry of most of the CADCAM systems suppliers.
Yahoo! - Business and Economy:Companies:Computers/Software/Graphics/ 
Yahoo! - Business and Economy:Companies:Computers/software/Graphics/3D 
Yahoo! - CADCAM/Consulting. 
news sites
CAD Sites - Mário L. Secco - Analista CAD
in Brazil
CAD II
supplied by H.A. Technical Services
(NYC)
SAIT CADD Center__Home-Page 
Various, Various, Variously
A chat room for CAD users
. Why not, but far from being usable.
Users
For CAD users it is interesting to visit sites about CADCAM. For CADCAM developers its may be useful to visit sites of CAD users.
Job Shops
List of websites of shops. Most of them have a CAM system and talk about it.
CAD Engineering- Casting- Fabrication- Machining- Forging-
An impressive list of Exchange formats. (California USA).
was http://www.machina.hut.fi/links_e.html HUT Machine Design. Impressive list of CAD systems. It's the site of HUT Laboratory of Machine Design in Finland
Newspapers
was http://www.machpro.fr/ Machpro , Machine Tool Magazine, in French and English. 8500 pages about metal work.
(was http://www.cgw.com/cgw/index.shtml name=CGW)CGW, Computer Graphic World
Computer Aid Design Report
With the table of contents of preceding years. Useful if your are already subscriber or want to be. CAD Report table of contents 
Newsgroups
news:alt.cad 
Mailing List
Vectorisation
This is a recurrent issue.
was http://www.expertg.com/products/vectory.html vectory
Machine Tools
+GF+
and in particular (was http://www.charmilles.com)Agie Charmilles EDM machines
Databases of mechanical industries
A large database of mechanical companies: manufacturing, standard parts etc... mechanical.com 
AIAG Online
Automotive Industry Action Group. The mission of the AIAG is to improve the global productivity of its members and the North American automotive industry. They are developing an AutoSTEP section about exchange of CAD data using STEP.
GarnerWeb
Metalworking and Finishing Publisher. with interesting information on fairs
General Resources
General survey