A curated list of resources for learning about the Swift Language.
- Open Source Swift
- Swift Style
- In-Browser Swift Editors
- Quick References
- Great Learning Resources
- Books
- Video
- Swift Community
- Posts
- Animations and Front End Stuff
- Application Structure / Architecture
- Closures
- Collections / Sequences / Generators
- Command Line and Swift Scripting
- Concurrency
- Core Data and Realm
- Data Structures and Algorithms
- Design Patterns
- Development Paradigms
- Enums and Pattern Matching
- Error Handling
- Extensions
- Functional Programming, Category and Type Theory
- Functional Reactive Programming in Swift
- Generics
- Initializers, Properties, and Dependency Injection
- Interpolability
- Language Comparisons and Transitioning to Swift
- Linux Development
- LLVM Compiler and swiftc
- Optionals and Types
- Production Swift, Problem Solving, and Developer Tools
- Protocol Oriented Programming in Swift 2
- Security
- Server Side Swift
- String Manipulation and Regex
- Swift Language, Open Source, and Opinions
- Testing
- Web Services, JSON, Routing, REST, and Networking
- Interview Questions
- Shoutouts
- Apple Master Github Repository 👑
- Swift Master Repository ✏️
- Download Swift 🔗
- Core Libs Unimplemented Parts ✏️
- Swift Core Libs Foundation Repository ✏️
- Swift Core Libs Dispatch Repository ✏️
- Swift CommonMark parsing and rendering library in C ✏️
- Swift Clang Repositroy ✏️
- Swift LLDB Repository ✏️
- Swift Packages ✏️
- Swift Compiler Crashes ✏️
- Other Awesome Lists
- 🔥 Awesome Functional Programming ✏️
- Swift.org 📜
- Every Operator in Swift 📜
- That Thing In Swift 📜
- SwiftDoc 📜
- iOS Cookies 📜
- Pure Swift List 📜
- iOS Good Practices 📜
- Little Bites of Cocoa 📜
- Libraries used in the top 100 Apps 📜
- Fucking Closure Syntax 📜
- RAC Marbles 📜
- Swift Knowledge Base 📜
- Every Single Option and Swift Compiler Flag 📜
- Official Swift Documentation 📝
- Swift Education Community Repository ✏️
- iOS Swift Reference ✏️
- Hacking With Swift 🎓
- A Better way to learn Swift 🎓
- Ray Wenderlich Tutorial Pages 🎓
- Swift Education 🎓
- Play with Swift 🎓
- CS193P: Developing iOS 8 Apps with Swift 🎓
- Realm Roundup: 25 Realm Resources and Tutorials 🎓
- Funcitonal Reactive Programming iOS Learning Resources 🎓
- Learn Core Data 🎓
- Udacity Swift Syntax Course 🎓
- Open Source iOS Apps ✏️
- Free Books
- Not Free (but still awesome) Swift Books
- Presentations
- All the slides from Swift Summit London 2015 🔗
- Other Video
- Blogs
- Newsletters
- Forums
- Jobs
- Meetups
- Meetup.com Swift Meetups 🔗
- Mixing SpriteKit with UIKit in iOS 9 📄
- AdaptiveUI Animations 🎤
- iOS Animations with AutoLayout 🎤 and ✏️ 📄
- 3D Graphics with Metal in Swift 🎤
- Metal and Swift 🎤
- Animating VCs 📄
- Advanced UITableViews 🎤 📄
- SpriteKit as an intro to SceneKit 💾
- Cartography Autolayout DSL ✏️
- UITableView Configuration Values 📄
- Typed TableViewControllers 📄 📄 📝 📄
- Transition Treasury Lib ✏️
- UIKit for the Mac, rewritten in Swift ✏️
- Demystifying iOS Architecture Patterns 📄
- Uber Jetstream ✏️
- Mutating Funcs in Swift Structs 📄
- Refractor the Mega Controller 🎤
- 250 Days of using VIPER Architecture with Swift 🎤
- Safer with VIPER 📄
- Preventing Massive View Controllers 🎤
- A Structy Model Layer 📄
- Ziggurat iOS App Architecture 📄
- One Way Data Flow Architecture in Swift 🎤
- Unidirectional Dataflow Architecture with Swift-Flow 🎤 ✏️
- CocoaFlow Architecture 📄
- Improve your iOS Architecture with FlowControllers 📄
- Lighter View Controllers in Swift 📄 📝
- Destroying Massive View Controllers 📄 with patterns 📄
- ReduxKit is a predictable state container for Swift apps 📄
- View Controller Thinning 📄 via Dependency Injection 📄
- An MVP Framework ✏️
- Designing App Infrastructure 📄
- Simple model for elm-like composable programs ✏️
- Closures and Capturing Values in Swift 📄
- Instance methods are Curried Functions in Swift 📄
- Using Local Closures with Swift 📄
- Delaying Code Execution through Closures 📄
- Can we please make a standard style for closures? 📄
- @autoclosure, @inline, @noescape, and @noreturn Keywords 📄
- How to use @noescape 📄
- How to use @autoclosure 📄
- Closures in API Design 🎤
- weak vs unowned 📄
- Swift weak references 📄 📄
- Difference between weak self vs weak self() 📄
- Partial Function Application 📝
- Trailing Closure Syntax 📄 📄 📄 📄
- Type inference quirks of closures as parameters 📝
- Style guide for functions with closure parameters in Swift 📝
- A quick guide to SequenceType 📄
- Swift Collections 📄
- Sequences and Generators in Swift 📄
- Experimenting with Seqs and Generators 📄
- Sets vs Dictionaries in Swift 📄
- The Fibonacci SequenceType 📄
- Truly Lazy Sequences 📄 📄
- Using Generators for UITableView Pagination Purposes 📄
- A Little Respect for AnySequence 📄
- Swift Sequence Lib ✏️
- SINQ - Swift Integrated Query ✏️
- List Comprehension in Swift 📄
- Collection Indices, Slices, and Generics 📄
- Generic Collections, SubSequences and Overloading 📄
- Custom Subscripts in Swift 📄
- A better Hashable 📄
- How arrays are implemented in Swift 📄
- Dictionaries in Swift 📄
- for-in secrets 📄
- Swift Scripting 🎤
- Learn Swift by running Scripts 📄
- Scripting in Swift is Pretty Awesome! 📄
- How Swift Scripting was used to make iOS Cookies 📄
- Writing an Xcode Plugin with Swift 📄
- Make Command Line Applications with Swiftline 📄
- Basics of GCD 📄
- Methods of concurrency — GCD, agents, tasks and invocations 📄
- Code at the end of the queue 📄
- Actor Model Concurrency in Swift ✏️
- Coroutines in Swift 📝
- STM in Swift ✏️
- NSOperations and NSOperationQueues 📄
- Threading with Closures 📄
- Building Responsive and Efficient Apps with GCD 🎤 💾
- Core Data
- Realm
- Super simple Realm Intro 📄 💾
- Why Realm over Core Data? 📄 💾
- Official Realm Introduction 📄
- Realm Tutorial 📄
- Why Realm is great and why we're not going to use it 📄
- Realm Best Practices 📄
- Realm Repo 📄
- Reddit Thread 📄
- A look into Realm's Core DB Engine 🎤
- Working with Realm 📄
- Testing Realm Apps 📄
- Looking at Realm's Core DB Engine 💾
- An Array implemented in Swift by Mike Ash 📝
- A Trie 📄
- A persistent tree using indirect enums 📄
- Deques, Queues, and Lists in Swift with indirect 📄
- Linked Lists are really slow 📄
- Linked Lists, Enums, Value Types 📄
- Singly Linked List 📝 🔗
- Contiguous Arrays in Swift 📄
- NSArrays are implemente with Circular Buffers 📄
- Open sourced CFArray 🔗
- Abstract Algebraic Structures in Swift 2 ✏️
- Trees 📝
- Patricia/Radix trees for Swift ✏️
- Evolutionary/Genetic Programming in Swift ✏️ ✏️
- Finger Trees in Swift ✏️
- Neural Networks in Swift ✏️
- Swift AI ✏️
- Naive Bayes Classifier ✏️
- Swix Swift Matrix Math Library ✏️
- Red Black Tree 📝
- Tensor Methods in Swift ✏️
- Sort Utils ✏️
- Disjoint Sets ✏️
- Metaprogrammable ✏️
- Binary Tree ✏️
- SwiftPriorityQueue ✏️
- SwiftGraph ✏️
- Fisher-Yates Shuffle for Swift 📝
- Rose Tree in Swift 📝
- Generic Stack in Swift 📝 📄
- Deep learning with Swift ✏️
- HackerRank Solutions in Swift ✏️
- Abstract Binding Trees 📝
- Commonly used data structures and algorithms ✏️ ✏️
- Write a Generic Stable Sort ✏️
- Swift Design Patterns 💾
- Template Method Pattern in Swift 📄
- Strategy Pattern in Swift 📄
- Design Patterns Library in Swift 📄
- Creating a Cocoa Bindings Observable Pattern in Swift 📄
- Observer Pattern in Swift 📄
- The Sin of Singletons 📄
- The Null Object Pattern 📄
- Segues > Delegation 📄
- Functions as Factories 📄
- Conform to Objective C Protocols in Swift 📄
- Optional Protocol Methods 📄
- The Builder Pattern and Fluent Interface 📄
- A Better NSNotificationCenter Observer Pattern 📄
- Key Value Coding in Swift 📄
- Exploring KVO Alternatives in Swift 📄 📄 ✏️
- Facade Functions 📄
- Swift Singleton ✏️
- SOLID Design in Swift ✏️
- Decorator Pattern through composing functions in Swift 📄
- Target Action Pattern 📄
- Typed Notification Observers 📄
- Functional Notification Pattern 📄
- Library Oriented Programming 🎤
-
- Oriented Programming 🎤
- Hole Driven Development 📄
- Entering a New Codebase 💾
- Railway Oriented Programming in Swift 📄 🎤
- Enum Oriented vs Protocol Oriented Programming ✏️
- Swift in Practice 🎤 💾
- Denotational Design 💾
- Building Frameworks in Swift 📄
- Object Oriented Functional Programming 🎤
- Enums
- Enums in Swift 🔗
- Advanced and Practical Enum Usage in Swift 📄
- Enumerating Tuple Values in Swift 📄
- Simplfied Login with Swift Enums 📄
- Testing of Enums made easy 📄
- How to compare Enums with Equatable 📄
- Raw representable enumeration 📄
- Enums with Associated Data vs Structs 📄
- The Sum Types are here 📄
- Algebraic Data Types in Swift 📄
- Handling Enums with Raw Values 📄 💾
- Using Enums as Constants 📄
- Enums instead of Booleans 📄
- Enum vs String Type 📄
- Enum Driven View Controllers 📄
- Swift Enums: Initialization with Associated Values from a Server Response 📄
- Pattern Matching
- Official Docs 📝
- Swift's pattern-matching switch statement 📄
- Custom pattern matching in Swift 📄
- Advanced Swift Pattern Matching in Detail 📄
- Control Flow & Pattern Matching 📄
- Ranges and Intervals in Swift 📄
- More Pattern Matching Examples 📄 📄
- What is a variadic parameter? 📄
- Pattern Matching in Swift 📄
- Pattern Matching with an if case 📄
- Pattern Matching with Recursive Values in Swift 📄 📝
- What is value binding? 📄
- The Value of Guard 📄 📄
- Guard and Defer 📄
- Defer in Swift 📄
- When to (not) use guard 📄 📄 RE 📄
- Thoughts on Swift 2 Error Handling 📝
- Easy Error Handing 📄
- Swift Failiable Initializers 📄
- Swift 2 Error Handling 📄 📄
- Swift 2 Error Handling and Pattern Matching 📄
- Unmanaged Type 📄
- try/catch with asynchronous closures 📄
- Using the assert() keyword 📄
- Result: Swift type modelling the success/failure of arbitrary operations ✏️
- Error Styling in Swift 📝
- Async Error Handling in Swift 💾
- Let it Throw! 📄
- Magic Methods in Swift 📄
- Understanding Optional Chaining 📄
- ExSwift ✏️
- Useful Swift Extensions ✏️
- EZSwiftExtensions ✏️
- Public Extension 📓
- Adding Class Properties via Extension 📄
- Type Constrained Extensions in Swift 📄
- Generic type extension by retrofitting protocols in Swift 2 📄
- Type extensions with generic type parameters 📄
- OptionalExtensions ✏️
- Category and Type Theory
- Cheat Sheet For Typeclasses and Monads in Haskell 📜 📜 📄
- Category Theory For Beginners 💾 💾
- Category Theory and Progamming 🎤
- Awesome Math/Category Theory 📝
- Category Theory in Haskell 📄
- The Category Design Pattern 📄
- Type Theory vs Category Theory 📄 📄
- MIT Category Theory Class 🔗
- Functional Programming, Abstraction, and Naming Things 📄
- Functional Programming in Swift
- Declarative Programming
- What is Functional Programming in Swift? 💾 📄 📄 💾
- Make Swift More Functional 💾
- Introduction to Functional Programming in Swift 📄 💾
- Functional Programming in Swift Talks 🎤 🎤 💾 🎤 🎤
- Proof in Functions 📄 📄
- Functional Thinking 💾
- 6 Killer Functional Swift Features 📄
- Functional Paradigms in Swift 📄
- Functional Programming in the Swift Language 📄
- Writing Compelling Functional Code with BananaKit 🎤
- 7 Habits for more functional Swift 💾
- Writing Pipe operators in Swift 📄
- Map / Filter / Reduce
- Reduce all the things 📄
- Recursion and Infinite Streams
- Lambda Calculus
- Programming is Mathematics 📄
- Llama Calculus 💾
- Functors and Applicatives
- Monads
- Monoids
- Monoid Library ✏️
- Folds, Zippers, and Lazy Lists
- zipWith 📝
- Lazy infinite streams ✏️
- Promises / Futures
- Combinators
- Lenses, Transducers, Reducers
- Functional Programming with Bananas, Lenses, Envelopes, and Barbed Wire 📝
- Arrows
- Arrows in Swift 📝
- Categories
- Yoneda Embedding 📝
- Other
- Typelift Community Repo 📝
- 🙌 Swiftz Functional Programming Library ✏️
- Second Bridge Swift Functional Framework ✏️
- Swiftx Functional Data Types ✏️
- Basis Pure Declarative Programming in Swift ✏️
- Functional Concurrency Primitives ✏️
- Functional View Controllers 📄 📝
- Prelude Library 📄
- Funky Functional Programming Tools and Experiements ✏️
- Dollar.Swift Functional Toolkit like Lodash and Underscore ✏️
- SwiftLand MicroFramework ✏️
- Declarative Programming
- FRP
- MVVM
- MVVM + FRP 📄
- Modern application architectures (Reactive programming, MVVM and beyond) 📄
- RAC
- Rx
- Functional Rective Programming with RxSwift 💾
- Generic Arrays in Swift 2.0 📄
- The shortcomings of generic protocols 📄
- Generics in Swift, Part 1 📄, Part 2 📄
- Official Docs 📝
- Covariant and contravariant generic type parameters 🔗
- Generic Protocols 📄
- Partial Function Application with Generics 🔗
- Generic Constructors 🔗 and factories 🔗
- Parametric Polymorphism in Swift 📄 📄 📄
- Initializers
- Properties
- Property Observers 📄
- IBOutlet Style in Swift 📄
- Lazy Properties in Structs 📄
- Class Properties in Swift 📄
- Stored Properties 📄
- Named Parupameters 📄
- Dependency Injection
- Dependency Injection with a Custom Initializer 📄
- Swift and C 🎤
- Swift & the ObjC Runtime 📄
- How is Swift Faster than Objective-C? 📄
- Wrapping a C library in a Swift Framework 📄
- How are NSDictionaries implemented in-memory? 📄
- Exposing NSMutableArray 📄
- Source-Code for the Objective-C Runtime ✏️
- Mapping Swift Types to C Pointers 📄
- Comparisons
- Learning Swift from Haskell 💾 and corresponding 🎤
- Functional Programming like Haskell 💾 🎤
- Swift vs Golang 💾
- Swift 2.0 Protocol Extensions vs Java Abstract Classes 🔗
- What do Haskell developers think of Swift? 🔗
- A Swift intoduction to Haskell 💾
- Swift For Rubyists 🎤
- Swift vs Scala 💾
- OCaml's Deferred in Swift 📄
- Pythonic Swift ✏️
- Transitioning from ObjC
- LLVM Compiler
- swiftc
- Explorign SIL and swiftc 📄
- swift vs swiftc 📄
- SIMD (Single Instruction Multiple Data) 📄
- @convention 📄
- Introspecting Swift 💾
- Unsafe Swift 💾
- Type Introspection 📄
- Optionals
- Types
- Swift's Type System 📄
- Swift Manual Retain/Release 📄
- Type-Erased Wrappers in Swift 🎤
- The Natural Numbers Encoded as Types 📄
- Properties of Types Conforming to Protocols 📄
- Return Type Polymorphism in Swift 📄 🔗
- Wrapper Types
- Dependent Types
- Type Reflection and Casting
- Associated Types
- Value and Reference Types
- Metatypes
- Typeclasses
- Typeclasses in Swift, Haskell and Scala 📄
- Production Swift
- How Carthage works 💾 💾
- Bottom Up Programming in Swift 🎤
- Make a Cocoapods Framework 🎤
- Lessons from Production Swift 💾
- Using the Swift Package Manager 📄
- Exclude folders in the SPM 📄
- How to run Swift within a Docker container 📄
- Swift, Frameworks & Modules, Learnings from CocoaPods 📄
- BuddyBuild Continuous Integration 🔗
- Problem Solving with Swift
- Developer Tools
- 🙌 Protocol-Oriented Programming in Swift 🎤 💾
- Protocols in Swift 📄
- POP is OOP Thesis 📄
- Standard Template Protocols ✏️
- Protocol Oriented MVVM 📄, 💾
- Functional thinking via Protocol Extensions 📄
- Protocol Extensions vs Type Extensions 📄
- Gist covers whatever went on in the official presentation 📄
- What are the advantages? 📄
- Another look into the concept of P.O.P. 📄
- If you're subclassing, you're doing it wrong. POP and VOP explained 📄
- Every Swift Value Type Should be Equatable 📄
- Protocol Oriented Programming through UIKit 📄
- Protocols in Swift 📄
- Ray Wenderlich intro to P.O.P. 📄
- Protocol Extensions and the death of the Pipe forward operator 📄
- How Protocol Oriented Programming could still improve 📄
- The Swift Protocol Proposal 📄
- Swift Default Protocol Implementations 📄
- 🙌 Mixins and Traits in Swift 2.0 📄
- Minimal Swift 2.1 Protocol Coformance 📄
- Favor Mixins over inheritance 📄
- Use Protocol Composition 📄
- Can Swift have Dependent Types? 📄
- More Misunderstanding of Dependent Types 📄
- 55 Standard Library Swift Protocols 💾 📄 🎤
- Current Recommmended Protocol Usage 📄
- POP in Swift vs ObjC and C++ 📄
- POP Utility Belt ✏️
- Typesafe and Composable Data Sources in Swift 📄
- Protocol Extension Method Dispatch 📄
- The Genius of Protocols 📄
- Encryptor / Decryptor Data Format ✏️
- CommonCrypto in Swift 🎤
- 🔥 Awesome iOS Security 🔗
- Ceaser Cipher in Swift 📄 📄
- Swift Redis ✏️
- TCP Sockets in Swift ✏️
- Zevo Server Side Swift Community 🔗
- Venice based HTTP server for Swift 2.2 on Linux ✏️
- Swift HTTP Server ✏️
- Strings
- Symbology in Swift :psge_facing_up:
- Regular Expressions
- RegularExpressions in Swift 📄
- Creating a Lexer in Swift 📄
- Creating an Abstract Syntax Tree Parser in Swift 📄 📄
- String to Number Parser ✏️
- Madness: Parsing strings in simple context-free grammars ✏️
- NSRegularExpression Cheat Sheet 📄
- Parser combinators, for Swift 📄 ✏️ ✏️
- Clean Regular Expressions in Swift 📄
- Simple Regex 📝
- Verbal Expressions style RegEx ✏️
- About Swift
- What's new in Swift 2 🎤 💾
- Diving into Swift 2 📄
- Best of Swift 2 📄
- New Features in Swift 2 📄
- Switching your brain to Swift 📄
- Short Circuit Evaluation 📄
- How Swift makes your life better 📄
- Emerging best practices in Swift 🎤
- Swift Thinking 🎤
- Hidden Gems in Swift 🎤
- Catching up with Swift 💾
- Idiomatic Swift 💾
- Swiftly Methods 📄
- Open Source Swift
- Opinions about Swift
- Wishlist for Swift 3.0 📄
- The Death of Cocoa 📄
- Swift is not functional 📄
- Which features overcomplicate Swift? What should be removed? 📄
- Does Apple Swift have enough functional features to be considered as a functional language? Why? 📄
- What is the bare minimum you need to learn Swift? 📄
- How flexible is Swift? 📄
- Top 10 iOS Swift libraries every iOS developer should know about 📄
- Unit Testing
- TDD
- BDD
- UI Testing
- UI Testing Cheat Sheet 📄
- Replacing KIF with XCUI Tests 📄
- Network Testing
- Snapshot Testing
- iOS Snapshot Test Cases ✏️
- Profiling
- Other
- More functional testing 📄
- Mocking Objects in Swift 📄
- Reverse Engineering iOS Apps 🎤
- The state of iOS testing in 2015 📄
- Testing in Swift with Quick 🎤 🎤
- Quick Testing Framework ✏️
- Nimble Matcher Framework ✏️
- How to configure Travis CI for iOS Testing 📄
- Setting up KIF for iOS Acceptance Testing 📄
- SwiftCheck: QuickCheck for Swift ✏️
- Networking
- JSON
- Functional JSON Parsing with Tyro ✏️
- { JSON, Swift, and Type Safety } 💾
- JSON in Swift 📄
- Functional JSON Parsing 📄
- Routing
- An AlamoFire Router 📄
- Web Services
- Ray Wenderlich 📋
- Toptal 📋
- LeetCode 📋
- Coding Questions 📋
- 🔥 Awesome Swift Interview Questions 📋
- 🔥 Awesome iOS Interview Questions 📋
- 📝 = Gist
- ✏️ = Repository
- 📓 = Blog
- 📄 = Blog Post
- 📜 = Quick Reference
- 📚 = Book
- 📖 = Guide Book
- 📰 = Newsletter
- 💾 = Slides
- 🎤 = Video Presentation
- 📹 = Video
- 🔗 = Link
- 🔥 = Awesome List
- 🎓 = Learning Resource
- 📋 = Interview Questions
Shoutout to @clattner_llvm, the OG Swift Developer. Shoutout to @chriseidhof for encouraging me to promote this idea and for being a huge baller. Shoutout to @ashfurrow and @bennRodri for being so incredibly helpful. Shoutout to @CodaFi_, the TypeLift, and the Antitypical teams for promoting FP. Shoutout to the trillmoji project. Shoutout to Haskell Devs and Category Theory legends. And finally, Shoutout to all the Swift Programmers out there, this project is by you and for you!