A site that does for Objective-C categories what this site does for iOS development tools. For the uninformed, categories are a great feature of Objective-C that allows functionality to be added to a class without subclassing and Cocoa Cats is a fantastic user-driven collection of cocoa categories. The list is user generated so the there is a form at the bottom of the page to submit a new category.
Join us at GoodNotes, a top paid handwritten note-taking iOS app with love letters from our customers
GoodNotes was created from our founder's frustration of taking readable and reusable handwritten notes on his first iPad. We have since grown to millions of happy users and become one of top paid iOS apps on Apple App Store last couple years. We are just getting started. Join us to reimagine what productivity suite will look like with digital pen and smart paper. We are hiring across the board on engineering and design. Find us on Twitter!