Objective-C builds on the foundations of ANSI C. Compared to other object-oriented languages based on C, Objective-C is very dynamic. Dynamism enables the construction of sophisticated development tools. Since Objective-C incorporates C, one gets all the benefits of C when working within Objective-C.
Codeless drop-in universal library allows to prevent issues of keyboard sliding up and cover UITextField/UITextView
A data-driven UICollectionView framework for building fast and flexible lists
Asynchronous image downloader with cache support as a UIImageView category
A fast & simple, yet powerful & flexible logging framework for macOS, iOS, tvOS and watchOS
RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X
A Native, High-Performance, Feature-Rich and fully cross-platform React Native PDF View component written in Obj-C++ for iOS, Kotlin for Android and C++ for Windows
Experimental port of Tim Berners-Lee's original WorldWideWeb browser for NeXTStep to modern macOS (Cocoa/AppKit)
A Comprehensive and Hackable Build System for Multilingual Python Packages: Cython (including automatic conversion from Python to Cython), C/C++, Objective-C, Go, and Nim, with ongoing expansions to include additional languages
Floating client/server frame for you to place messages and images on the desktop
XNU Image Fuzzer - iOS App for Fuzzing Images with Objective-C Code covering 12 CGCreateBitmap & CGColorSpace Functions working with Raw Data and String Injection