- SyntaxKit 22 Cocoa framework for syntax highlighting, source code editing, and line numbering. Based on other projects, but extensively modified.
- appnetkit 20 Objective-C library for working with App.net.
- PrediKit 14 A shorthand for building NSPredicates in Swift.
- FallibleKit 10 A better way to handle errors in Swift.
- GenderKit 10 Types, controls, and functions for expressing the gender identities of human beings