CATIA Operators Exchange - COE is dedicated to the exchange of information about CATIA and other Dassault Systèmes software products.
CATIA Users of Central Ontario - Volunteer organization serving the needs of CATIA users. Hints and Tips for users as well as minutes of meetings and notices of upcoming events.
Catia V5 Users Group - Mailing list dedicated to helping users with the Catia family of work benches.
Catiaworld.com - An independent resource for CATIA and other CAD/CAM software by Dassault. Offers business listings for engineering