Harness the power of AutoLayout NSLayoutConstraints with a simplified, chainable and expressive syntax. Supports iOS and OSX Auto Layout

iTerm2 is a terminal emulator for Mac OS X that does amazing things.

KeyCastr, an open-source keystroke visualizer

A Cocoa / Objective-C wrapper around SQLite

LuLu is the free open-source macOS firewall

Model framework for Cocoa and Cocoa Touch

RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X

A conforming Objective-C WebSocket client library.

⛔️**DEPRECATED** ⛔️ A drop-in UIViewController subclass with a growing text input view and other useful messaging features

iOS library for quickly displaying images while scrolling

An extension for Apple's xcodebuild that makes it easier to test iOS and macOS apps.

Send User Notifications on macOS from the command-line.

The #1 HTTP server for iOS, macOS & tvOS (also includes web based uploader & WebDAV server)

Objective-C JSON

Prevents your Mac from going to sleep.

This is an app for OS X that can (re)sign apps and bundle them into ipa files that are ready to be installed on an iOS device.

OS X menubar status indicator

Remote network and data debugging for your native iOS app using Chrome Developer Tools

A fast and clever hex editor for macOS

A small, lightweight, embeddable HTTP server for Mac OS X or iOS applications

Simple Objective-C wrapper for the keychain that works on Mac and iOS

Xcode plugin for Vim keybindings

`stringWithFormat:` for the sophisticated hacker set

Message passing between iOS apps and extensions.

iOS and Mac Cocoa library for communicating over USB

Blackbox tool to disable SSL certificate validation - including certificate pinning - within iOS and macOS applications.

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Core Data code generation

Mac Media Keys for the Masses

SPDY for iOS and OS X