CATIA
TopTen sites, articles, user groups, reviews, services and consultants

CoCreate
Kubotek USA, CADdigest.com, Doctor Walt's, Tech Ed Concepts

Inventor
TopTen Inventor sites, add-ons, parts

IronCAD
IronCAD corporate site

KeyCreator
TopTen sites, CADL sites, dealers, reviews, third-party tools

Pro/ENGINEER
TopTen sites, blogs, consultants and services, forums, jobs, link sites, publications, reviews, third- party tools, training and tutorials, user groups

Rhino
TopTen sites, blogs, communities, 3rd party tools

Solid Edge
TopTen sites, reviews, add-ons,  consultants

SolidWorks
TopTen sites, consultants, reviews, blogs, third-party tools, user groups

NX
TopTen sites, articles, reviews, services and consultants, third-party tools, users groups