Main Pages
http://code.google.com/p/cocos2d-iphone/
http://www.cocos2d-iphone.com/


API: 
http://www.sapusmedia.com/cocos2d-iphone-api-doc/

Blog:
http://www.cocos2d-iphone.com/
http://blog.sapusmedia.com/search/label/cocos2d

Discussion Pages:
http://groups.google.com/group/cocoslive-discuss

Resources:
http://www.alexcurylo.com/blog/2009/05/16/resources-cocos2d/

Examples:
http://permadi.com/blog/?p=275
http://lethain.com/entry/2008/oct/20/touch-detection-in-cocos2d-iphone/
http://juanmunozar.blogspot.com/2009/02/cocos2d-iphone-dynamically-touch.html
http://kwigbo.com/wp/2009/03/20/cocos2d-tile-based-game-with-source/
http://johnehartzog.com/2009/05/using-cocos2d-atlasspritemanager/
http://www.codza.com/making-seamless-repeating-backgrounds-photoshop-cocos2d-iphone

Geting Started:
http://monoclestudios.com/cocos2d_whitepaper.html
http://www.vimeo.com/4332171

Scripting:
http://www.gmixer.com/archives/219
http://www.gmixer.com/archives/224

Editors
http://robertjpayne.com/textureatlascreator/
http://kwigbo.com/wp/2009/03/15/cocos2d-alternative-map-editor/

Physics:
http://www.alexandre-gomes.com/articles/chipmunk/