PaintCode is a simple vector drawing app that instantly generates resolution-independent Objective-C drawing code for both Mac OS X and iOS.

Articles about programming in Cocoa are many and in many places. The majority of them are of very high quality. To help out, I made this collected index, searchable by title or by article content. This page is very easy to maintain, so please email me any other articles out there that I've missed. Of course, make sure you also know about Apple's Cocoa docs! Also note that there are many Cocoa languages beyond Objective-C.

Objectify is a new Mac® application for Objective-C developers that dramatically speeds the everyday process of creating Cocoa class implementations based on JSON content.

There are a number of reasons to use static libraries, but the main two are distribution to others without revealing source code, and code reuse across projects.

This project aims to duplicate the methods present on Mac OSX which allow creation of NSAttributedString from HTML code on iOS.

This is useful for drawing simple rich text like any HTML document without having to use a UIWebView.

A random collection of useful bits of Cocoa, as found in Watson and in other sundry Karelia applications and testbeds. Feel free to adapt these for use in your Cocoa applications.

FTP/SFTP/WebDAV etc. for Cocoa.

Lightweight Objective-C Regular Expressions for Mac OS X using the ICU Library