Open Source Objective C Libraries
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Objective C Libraries
View 75 business solutionsBrowse free open source Objective C Libraries and projects below. Use the toggles on the left to filter open source Objective C Libraries by OS, license, language, programming language, and project status.
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Expo
An open-source platform for making universal native apps with React
Expo is an open source framework and platform for creating universal React applications that run on Android, iOS, and the web. It includes a set of tools, services, universal runtime and libraries that let you develop, deploy and iterate on Android, iOS, and the web with the same JavaScript/TypeScript codebase. Expo is where client software is developed, and contains the client apps, modules, templates and more; while the Expo development tools are contained in the Expo CLI repository. Try Expo in the browser here: https://snack.expo.io/ -
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GNUstep Base Library
The GNUstep is a library of general-purpose Objective C objects
The GNUstep Base Library is part of the GNUstep project, providing an open-source implementation of the Foundation framework, compatible with macOS and iOS. It offers core Objective-C classes and utilities for cross-platform application development. -
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Google Maps SDK for iOS Utility Library
Google Maps SDK for iOS Utility Library
google-maps-ios-utils is a collection of open-source utilities that extend the functionality of the Google Maps SDK for iOS. It provides additional features such as clustering, heatmaps, and geometry utilities to enhance map-based applications. -
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Google Toolbox for Mac
Google Toolbox for Mac
Google Toolbox for Mac (GTMSession) is a comprehensive collection of open source Objective-C utilities and frameworks developed by Google to support macOS and iOS application development. It consolidates reusable code components drawn from various internal Google projects, offering developers a wide range of tools for building efficient, maintainable Apple platform software. The library includes modules for networking, logging, testing, data handling, and user interface extensions, helping developers avoid reinventing common functionality. Its modular design allows developers to integrate only the components they need, improving project flexibility and performance. With well-documented interfaces and consistent coding standards, Google Toolbox for Mac serves as a reliable foundation for both small and large-scale applications. It continues to be widely used across open source and internal projects that target Apple ecosystems. -
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OCMockito
Mockito for Objective-C: creation, verification and stubbing
OCMockito is an Objective-C framework that enables behavior-driven development through mocking. It allows developers to create mock objects for unit tests, focusing on interaction testing in Objective-C projects. -
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KVOController
Simple, modern, thread-safe key-value observing for iOS and OS X
KVOController is a now-archived Objective-C library from Facebook that simplifies Key-Value Observing (KVO) in Cocoa applications. It provides a safer, more concise API for observing properties and avoids common memory management pitfalls associated with KVO in Objective-C. -
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Parse Apple SDK
The Apple SDK for Parse Platform (iOS, macOS, watchOS, tvOS)
Parse-SDK-iOS-OSX is an open-source backend framework for iOS and macOS applications. It allows developers to manage data storage, authentication, and real-time functionality with minimal backend setup. -
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React Native Camera Kit
A high performance, easy to use, rock solid camera library
A high-performance, easy-to-use, rock-solid, camera library for React Native apps. A temporary file is created. You must move this file to a permanent location (e.g. the app's 'Documents' folder) if you need it beyond the current session of the app as it may be deleted when the user leaves the app. You can move files by using a file systems library such as react-native-fs or expo-filesystem. (On Android we currently have an unsupported output path prop but it's subject to change at any time). -
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libPhoneNumber for iOS
iOS port from libphonenumber (Google's phone number handling library)
libPhoneNumber-iOS is an Objective-C port of Google's libPhoneNumber library, which provides international phone number parsing, validation, and formatting. -
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SFBAudioEngine
A powerhouse of audio functionality for macOS, iOS, and tvOS
SFBAudioEngine is an advanced audio engine designed for macOS and iOS, focusing on high-quality playback, precise audio control, and support for a wide range of audio formats. Built for modern Apple platforms, it provides developers with a robust tool for integrating sophisticated audio functionalities into their applications. It emphasizes extensibility, performance, and clean API design. -
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Sogo
SOGo is a very fast and scalable modern collaboration suite
SOGo is an open-source groupware server that provides email, calendar, and contacts management with full web and mobile compatibility. It integrates with various email clients and supports enterprise collaboration. -
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WeChatTweak-macOS
A dynamic library tweak for WeChat macOS
WeChat macOS client enhances the Tweak dynamic library. Prevent message withdrawal, message list notification, system notification. Withdraw your messages normally. Unlimited opening of clients. Right-click the Dock icon to log in to the new WeChat account. Command line execution:open -n /Applications/WeChat.app. Message processing enhancement, supports any emoji export, supports QR code recognition. Supports right click to copy link directly. Open directly by the system default browser. No phone authentication required to reopen the app. UI interface settings panel, support for Alfred workflow, and support for Launchbar action. In order to reduce maintenance costs and ensure update speed, only the latest App Store version of the client is supported by default. -
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OCRunner
Execute Objective-C code as script. AST Interpreter
OCRunner is a dynamic Objective-C runtime that allows for executing Objective-C code at runtime on iOS. It enables injecting and running Objective-C scripts without recompiling, useful for debugging, hot-fixing, and dynamic feature extensions. -
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SocketRocket
A conforming Objective-C WebSocket client library
A conforming WebSocket (RFC 6455) client library for iOS, macOS and tvOS. SocketRocket currently conforms to all core ~300 of Autobahn's fuzzing tests (aside from two UTF-8 ones where it is merely non-strict tests 6.4.2 and 6.4.4). SocketRocket is asynchronous and non-blocking. Most of the work is done on a background thread. You can include SocketRocket as a subproject inside of your application if you'd prefer, although we do not recommend this, as it will increase your indexing time significantly. To do so, just drag and drop the SocketRocket.xcodeproj file into your workspace. Included are setup scripts for the python testing environment. It comes packaged with vitualenv so all the dependencies are installed in userland. SocketRocket includes a demo app, TestChat. It will "chat" with a listening websocket on port 9900. The sever takes a message and broadcasts it to all other connected clients. -
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XLForm
XLForm is the most flexible and powerful iOS library
XLForm is a powerful Objective-C framework for creating dynamic and customizable forms in iOS applications. It simplifies the process of building forms with various input types, validation, and UI customization. -
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BlocksKit
The Objective-C block utilities you always wish you had
BlocksKit is a framework for Objective-C that extends Cocoa and Cocoa Touch APIs with block-based wrappers, making it easier to write concise, readable code. It provides block-based alternatives to delegation and target-action patterns, streamlining event handling in UIKit and Foundation frameworks. -
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OCHamcrest
Hamcrest for Objective-C: Powerful, combinable, extensible matchers
OCHamcrest is a framework for writing expressive and readable Objective-C unit test assertions. It provides a wide range of matchers that enable writing tests that focus on conditions rather than exact values. -
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ARSegmentPager
Segment tab controller with parallax Header
ARSegmentPager is a customizable paging library for iOS that integrates segmented controls with scrolling views. It provides a smooth user experience for applications that require tabbed navigation with interactive headers. -
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AppDevKit
AppDevKit is an iOS development library
AppDevKit is an iOS development library that provides developers with useful features to fulfill their everyday iOS app development needs. AppDevKit is an iOS development library that provides developers with useful features to fulfill their everyday iOS app development needs. Yahoo’s Taiwan based iOS app development team has been using this development kit for the past three years, and we plan future apps to use AppDevKit as well. Our use of this code in many apps helped improve its stability and utility. We find these libraries help address some incompatibility issues found in different iOS versions, and overall make app development easier and our apps operate more consistently. AppDevKit has five major parts that include command, user interfaces, animations, image view, and list view support libraries. AppDevKit could be installed by CocoaPods. Please feel welcome to use AppDevKit in your iOS projects as it is licensed under the permissive open source BSD license. -
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Aspects
Library for aspect oriented programming in Objective-C and Swift
A delightful, simple library for aspect oriented programming. Think of Aspects as method swizzling on steroids. It allows you to add code to existing methods per class or per instance, whilst thinking of the insertion point e.g. before/instead/after. Aspects automatically deals with calling super and is easier to use than regular method swizzling. Aspects hooks deep into the class hierarchy and creates dynamic subclasses, much like KVO. There's known issues with this approach, and to this date (February 2019) I STRICTLY DO NOT RECOMMEND TO USE Aspects IN PRODUCTION CODE. We use it for partial test mocks in, PSPDFKit, an iOS PDF framework that ships with apps like Dropbox or Evernote, it's also very useful for quickly hacking something up. Aspects uses _objc_msgForward which causes issues with other code that uses message forwarding. -
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DateTools
Dates and times made easy in iOS
DateTools was written to streamline date and time handling in iOS. Classes and concepts from other languages served as an inspiration for DateTools, especially the DateTime structure and Time Period Library for .NET. Through these classes and others, DateTools removes the boilerplate required to access date components, handles more nuanced date comparisons, and serves as the foundation for entirely new concepts like Time Periods and their collections. All the classes required for DateTools are located in the DateTools folder in the root of this repository. DateTools.h contains the headers for all the other files. Import this if you want to link to the entire framework. One of the missions of DateTools was to make Date feel more complete. There are many other languages that allow direct access to information about dates from their date classes, but Date (sadly) does not. -
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FCUUID
iOS UUID / Universally Unique Identifiers library
iOS UUID library as alternative to the old good UDID and identifierForVendor. This library provides the simplest API to obtain universally unique identifiers with different levels of persistence. It's possible to retrieve the UUIDs created for all devices of the same user, in this way with a little bit of server-side help it's possible manage guest accounts across multiple devices easily. -
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JKCategories
Collection of useful Objective-C Categories extending iOS Frameworks
JKCategories(iOS-Categories), a collection of useful Objective-C Categories extending iOS Frameworks such as Foundation, UIKit, CoreData, QuartzCore, CoreLocation, MapKit Etc. -
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Material Components for iOS
Modular and customizable Material Design UI components for iOS
Material Components for iOS (MDC-iOS) makes Material Design accessible to iOS developers for building their applications. Material Design is a popular and trusted design system that offers design guidelines, icons and components that enable a reliable development workflow for building impeccably designed applications. It was developed by a core team of engineers and UX designers at Google, and supports design and usability best practices across platforms. Material Components for iOS is written in Objective-C and comes with Swift and Interface Builder support. -
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MessageThrottle
A lightweight Objective-C message throttle and debounce library
MessageThrottle is a runtime Objective-C library that allows developers to throttle or debounce Objective-C messages (method calls). It helps optimize performance by limiting the frequency of method executions, useful in scenarios like UI updates or event handling.
