SQLite
Everything you need to know about SQLite
http://www.sqlite.org


SQLite and multithreading
I wrote this paper after evaluating SQLite
http://www.sqlite.org/cvstrac/wiki?p=MultiThreading


SQLite mailing list archives
http://www.mail-archive.com/sqlite-users@sqlite.org


QuickLite mailing list archives
http://www.sixfeetup.com/pipermail/quicklite-users


Objective-C & Cocoa
A visit to the mothership is a must
http://developer.apple.com

Objective-C FAQ
http://www.faqs.org/faqs/computer-lang/Objective-C/faq

CocoaDevCentral
http://www.cocoadevcentral.com

Cocoa mailing list archives
http://cocoa.mamasam.com


Cocoa examples
Apple's own examples
http://developer.apple.com/samplecode

Excellent source with lots of nifty examples
http://homepage.mac.com/mmalc/CocoaExamples/controllers.html

Need encryption and authorization wrappers?
http://septicus.com/products/opensource

Other cool examples
http://www.zathras.de/programming/cocoa_stuff.php


Mac OS error codes
You cannot have enough of 'em
http://www.svn.net/helpdesk/mac/macOSerrors.html


Rendezvous
You've got to love this stuff
http://www.apple.com/macosx/features/rendezvous

Didn't have enough? Have it your way
http://developer.apple.com/macosx/rendezvous/index.html


WebKit
Do you need to include a browser in your Cocoa app? http://developer.apple.com/documentation/Cocoa/Conceptual/DisplayWebContent


Advanced Computation Group
Some really nifty stuff!
http://www.apple.com/acg