Browse 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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    The All-in-One Commerce Platform for Businesses - Shopify

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    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 1
    FBRetainCycleDetector

    FBRetainCycleDetector

    iOS library to help detecting retain cycles in runtime

    Retain cycles are one of the most common ways of creating memory leaks. It's incredibly easy to create a retain cycle, and tends to be hard to spot it. The goal of FBRetainCycleDetector is to help find retain cycles at runtime. The features of this project were influenced by Circle. FBRetainCycleDetector will look for cycles that are no longer than 10 objects. We can make it bigger (although it's going to be slower!). There could also be retain cycles that we would like to omit. It's because not every retain cycle is a leak, and we might want to filter them out. Every filter is a block that having two FBObjectiveCGraphElement objects can say, if their relation is valid. If you want to profile your app, you might want to have an abstraction over how to get candidates for FBRetainCycleDetector. While you can simply track it your own, you can also use FBAllocationTracker. It's a small tool we created that can help you track the objects.
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  • 2
    FCUUID

    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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  • 3
    Project is a library for functional programming with Objective-C language.
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  • 4
    FastImageCache

    FastImageCache

    iOS library for quickly displaying images while scrolling

    Fast Image Cache is an efficient, persistent, and, above all, fast way to store and retrieve images in your iOS application. Part of any good iOS application's user experience is fast, smooth scrolling, and Fast Image Cache helps make this easier. A significant burden on performance for graphics-rich applications like Path is image loading. The traditional method of loading individual images from disk is just too slow, especially while scrolling. Fast Image Cache was created specifically to solve this problem. In order to understand how Fast Image Cache works, it's helpful to understand a typical scenario encountered by many applications that work with images. iOS applications, especially those in the social networking space, often have many images to display at once, such as user photos. The intuitive, traditional approach is to request image data from an API, process the original images to create the desired sizes and styles, and store these processed images on the device.
    Downloads: 0 This Week
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  • 5
    Four20 is an Objective-C library for iPhone developers, providing a few 'extras' the Three20 library neglected
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  • 6
    Google Toolbox for Mac

    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.
    Downloads: 0 This Week
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  • 7

    JDCSVParser

    Objective-C CSV Parser Example Framework

    A simple callback-based parser for tabular data encoded as CSV (Comma Separated Values), written in Objective-C. Slightly heavy-weight as it was meant to not take short-cuts as a full push-down automaton state machine parser. This was initially an experiment in how to build such parsers.
    Downloads: 0 This Week
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  • 8
    JKCategories

    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.
    Downloads: 0 This Week
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  • 9
    JLRoutes

    JLRoutes

    URL routing library for iOS with a simple block-based API

    JLRoutes is a URL routing library with a simple block-based API. It is designed to make it very easy to handle complex URL schemes in your application with minimal code. JLRoutes is available for installation using CocoaPods or Carthage. JLRoutes 2.x require iOS 8.0+ or macOS 10.10+. If you need to support iOS 7 or macOS 10.9, please use version 1.6.4. The handler block is expected to return a boolean for if it has handled the route or not. If the block returns NO, JLRoutes will behave as if that route is not a match and it will continue looking for a match. A route is considered to be a match if the pattern string matches and the block returns YES. It is also important to note that if you pass nil for the handler block, an internal handler block will be created that simply returns YES. JLRoutes supports setting up routes within a specific URL scheme.
    Downloads: 0 This Week
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  • Enterprise and Small Business CRM Solution | Clear C2 C2CRM Icon
    Enterprise and Small Business CRM Solution | Clear C2 C2CRM

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  • 10
    JSONKit

    JSONKit

    Objective-C JSON

    JSONKit is a high-performance Objective-C library for parsing and generating JSON on iOS and macOS, created before Apple’s built-in JSON APIs were widely available. It focuses on speed and low memory overhead, using tight C/Objective-C code paths to turn NSData into Foundation containers (arrays, dictionaries) and back again. The API provides flexible options such as mutable or immutable containers, pretty printing, and tolerances for common JSON formatting quirks. Developers can stream or parse in one shot, and they get predictable error reporting when malformed input is encountered. Because the output is standard Foundation objects, it drops into existing code with minimal adaptation. Even as the platform matured, JSONKit remained a reference point for how to write fast, reliable serialization code on Apple platforms.
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  • 11
    JScriptTouch is an SDK which allows developers quickly create full featured applications for iPhone platform using javascript.
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  • 12
    JXCategoryView

    JXCategoryView

    A powerful and easy to use category view

    JXCategoryView is a powerful segmented controller and category selector for iOS that pairs naturally with paged content. It offers multiple built-in cell styles—plain titles, titles with images, badges/dots, and number indicators—so you can match the UX of news, e-commerce, or media apps. A rich indicator system (lines, gradients, masks, background bars, zoom/scale effects) keeps the selection state visually obvious and polished. The library provides a companion list container to manage child view controllers or lists, synchronizing scroll progress with title transitions for buttery navigation. Its delegate/data-source design and property-driven customization make it easy to tune colors, fonts, spacing, and animation timing. With careful handling of reuse and gestures, it stays smooth inside complex hierarchies like nested scroll views and tab bars.
    Downloads: 0 This Week
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  • 13
    LIEL (Language Independent Extension Library) is a language-agnostic library containing solutions to various programming problems and extending the capabilities of existing frameworks and code libraries.
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  • 14
    MachO-Kit

    MachO-Kit

    A C/Objective-C library for parsing Mach-O files

    MachO-Kit is an Objective-C framework for parsing Mach-O binaries used in macOS and iOS. It provides a safe and extensible way to analyze Mach-O files, useful for developers and security researchers. ​
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  • 15

    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.
    Downloads: 0 This Week
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  • 16
    MessageThrottle

    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.
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  • 17
    Mixpanel iPhone

    Mixpanel iPhone

    Official iOS (Objective-C) Tracking Library for Mixpanel Analytics

    Mixpanel-iPhone is an official SDK for integrating Mixpanel analytics into iOS apps. It enables developers to track user interactions, segment user behavior, and perform advanced analytics to improve user engagement.
    Downloads: 0 This Week
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  • 18
    NJKWebViewProgress

    NJKWebViewProgress

    UIWebView progress interface

    NJKWebViewProgress is a progress interface library for UIWebView. Currently, UIWebView doesn't have an official progress interface. You can implement a progress bar for your in-app browser using this module. NJKWebViewProgress doesn't use CocoaTouch's private methods. It's AppStore safe. This repository contains iOS 7 Safari style bar NJKWebViewProgressView. You can choose NJKWebViewProgressView, UIProgressView or your custom bar. You can determine the current state of the document by comparing the progress value to one of the provided constants.
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  • 19
    NetworkEye

    NetworkEye

    A iOS network debug library, monitor HTTP requests

    NetworkEye, an iOS network debug library, monitors HTTP requests. It can be detected HTTP requests including web pages, NSURLConnection, NSURLSession, AFNetworking, 3rd libraries, 3rd SDK, and so on. very convenient and practical. It can be a map local json file.
    Downloads: 0 This Week
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  • 20
    OCHamcrest

    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.
    Downloads: 0 This Week
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  • 21
    OCMock

    OCMock

    Mock objects for Objective-C

    OCMock is a powerful Objective-C testing framework that enables developers to create mock objects for unit testing. It simplifies testing by allowing the simulation of dependencies, verifying method calls, and testing edge cases in iOS and macOS applications.
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  • 22
    OCRunner

    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.
    Downloads: 0 This Week
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  • 23
    OHHTTPStubs

    OHHTTPStubs

    Stub your network requests easily!

    OHHTTPStubs is a library designed to stub your network requests very easily. It can help you test your apps with fake network data (stubbed from file) and simulate slow networks, to check your application behavior in bad network conditions, and write unit tests that use fake network data from your fixtures. OHHTTPStubs headers are fully documented using Appledoc-like / Headerdoc-like comments in the header files. Instead of writing the content of the stubs you want to use manually, you can use tools like SWHttpTrafficRecorder to record network requests into files. This way you can later use those files as stub responses. OHHTTPStubs is split into subspecs so that when using Cocoapods, you can get only what you need, no more, no less. OHHTTPStubs supports Swift 2.2 (Xcode 7), Swift 2.3 (Xcode 8), Swift 3.0 (Xcode 8+) and Swift 3.1 (Xcode 8.3+).
    Downloads: 0 This Week
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  • 24
    PDFReporter

    PDFReporter

    Generating documents and reports, offline enabled and reliable.

    The library is a fork of the popular open source Jasper Reports and supports the common features provided by Jasper Reports, but offline and for mobile apps. The PDFReporter library supports iOS, Java and Android library. For your document and report design you use the PDFReporter Studio where you can visualize your data. If you want to use the library commercially please visit our official webpage.
    Downloads: 0 This Week
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  • 25
    Peckham

    Peckham

    Add #import-s from anywhere in the code

    Peckham is an Xcode plugin that makes it easier to manage and organize #import statements in Objective-C files. It helps clean up and alphabetize imports, improving code maintainability.
    Downloads: 0 This Week
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