The New International CD-i Association  
   Displays FAQ, articles, technical documents, videos, and links.
   http://www.icdia.org/

The CD-i Collective  
   Provides tips, tricks, and reviews.
   http://www.geocities.com/Area51/Capsule/3570/

About.com  
   Presents cheat codes and FAQs for over 30 games.
   http://vgstrategies.about.com/games/vgstrategies/library/cdi/bl_cdi.htm?terms=cd-i

CD-i Utilities  
   Includes developer friendly downloads and technical information.
   http://freespace.virgin.net/robin.burrows/cdiutil.htm

Disctronics: CD Interactive  
   Offers format information including disc standards, video, and audio specifications.
   http://www.disctronics.co.uk/cdref/cd-rom/cd-i.htm

The Ultimate CD-i Players Page  
   Includes games, hardware and links.
   http://www.geocities.com/Area51/Realm/2631/index.html

CD-I Haven  
   A collection of discussion forums.
   http://pub75.ezboard.com/bcdihaven/

The Black Moon Project  
   Offers news, guides, reviews, forum, and scans of CD covers, magazines, and game manuals.
   http://www.classicgaming.com/blackmoon/