A curated list of resources for learning about the Swift Language.
- 📝 = Gist
- ✏️ = Repository
- 📓 = Blog
- 📄 = Blog Post
- 📜 = Quick Reference
- 📚 = Book
- 📖 = Guide Book
- 📰 = Newsletter
- 💾 = Slides
- 🎤 = Video Presentation
- 📹 = Video
- 🔗 = Link
- 🔥 = Awesome List
- 🎓 = Learning Resource
- 📋 = Interview Questions
- Open Source Swift
- Swift Style
- In-Browser Swift Editors
- Quick References
- Blogs
- Newsletters
- Great Learning Resources
- Books
- Video
- 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
- LLVM Compiler and swiftc
- Optionals and Types
- Production Swift, Problem Solving, and Developer Tools
- Protocol Oriented Programming in Swift 2
- Security
- String Manipulation and Regex
- Swift Language, Open Source, and Opinions
- Testing
- Web Services and Networking
- Interview Situations
- Swift Community
- Contributing Guidelines
- 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 ✏️
- Swift.org 📜
- That Thing In Swift 📜
- SwiftDoc 📜
- iOS Cookies 📜
- 🔥 Awesome Swift 📜
- 🔥 Another Awesome Swift 📜
- Pure Swift List 📜
- 🔥 Awesome iOS 📜
- iOS Good Practices 📜
- Little Bites of Cocoa 📜
- Libraries used in the top 100 Apps 📜
- Fucking Closure Syntax 📜
- RAC Marbles 📜
- Swift Knowledge Base 📜
- iOS at Artsy 📓
- 🙌 Objc.io 📓
- NSBlog with Mike Ash 📓
- Use Your Loaf 📓
- Chris Eidhof 📓
- Ole Begemann 📓
- Alexandros Salazar 📓
- Uramio 📓
- Swift Weekly 📓
- Erica Sadun 📓
- Appventure 📓
- MetalByExample.com 📓
- David Owens 📓
- The iOS Times 📓
- Crunchy Development 📓
- iOS Blog 📓
- This Week in Swift News 📰
- iOS Goodies 📰
- iOS Dev Weekly 📰
- Swift Open Source Newsletter 📰
- SwiftLang Website 📰
- Swift Weekly 📰
- Gettin' Swifty With It 📰
- Indie iOS Dev Weekly 📰
- Swift Dev Weekly 📰
- 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
- 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 📄 📄 📝
- 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 📄
- Unidirectional Data Flow Architecture ✏️
- Ziggurat iOS App Architecture 📄
- One Way Data Flow Architecture in Swift 🎤
- Unidirectional Dataflow Architecture with Swift-Flow 💾 ✏️
- CocoaFlow Architecture 📄
- 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 📄
- 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 📄
- Swift Scripting 🎤
- Learn Swift by running Scripts 📄
- Scripting in Swift is Pretty Awesome! 📄
- Swiftline ✏️
- How Swift Scripting was used to make iOS Cookies 📄
- Writing an Xcode Plugin with Swift 📄
- 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 📄
- What Realm does that Core Data doesn't 📄
- Reddit Thread 📄
- A look into Realm's Core DB Engine 🎤
- Working with Realm 📄
- 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 📝
- Deques, Queues, and Lists in Swift 📄 🔗
- Contiguous Arrays in Swift 📄
- NSArrays are implemente with Circular Buffers 📄
- Open sourced CFArray 🔗
- Abstract Algebraic Structures in Swift 2 ✏️
- Patricia/Radix trees for Swift ✏️
- Genetic Programming in Swift ✏️
- Finger Trees in Swift ✏️
- Neural Networks in Swift ✏️
- Swift AI ✏️
- Lazy infinite streams ✏️
- 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 📝 📄
- Swift Design Patterns 💾
- Template Method 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 📄
- Observable-Swift KVO Replacement ✏️
- Swift Singleton ✏️
- SOLID Design in Swift ✏️
- Decorator Pattern through composing functions in Swift 📄
- Target Action Pattern 📄
- Typed Notification Observers 📄
- Functional Notification Pattern 📄
- Result Driven Development 💾
- Library Oriented Programming 🎤
-
- Oriented Programming 🎤
- Hole Driven Development 📄
- Entering a New Codebase 💾
- Railway Oriented Programming 🎤
- Swift in Practice 🎤 💾
- Denotational Design 💾
- Building Frameworks in Swift 📄
- 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 📄
- 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 📄
- When to (not) use guard 📄 📄
- 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
- Functional Programming in Swift
- Understanding
- Covariance and Contravariance in Swift 2.1 📄
- Object Oriented Functional Programming 🎤
- Map and FlatMap demystified 📄
- Functional Programming in Swift Talks 🎤 🎤 💾 🎤 🎤
- Make Swift More Functional 💾
- Introduction to Functional Programming in Swift 📄 💾
- Practical Declarative 💾 and Functional 💾 Swift
- 🙌 Functors, Applicatives, and Monads in Swift 📄
- Futures and Latency as an effect in Swift 📄
- Continuation Passing Style in Swift 📄 📄
- Proof in Functions 📄 📄
- Functional Thinking 💾
- Swift Adventures in Monad Land ✏️
- 6 Killer Functional Swift Features 📄
- Thunks in Swift 📄
- 🔥 Awesome Functional Programming ✏️
- Implementations
- Deriving higher order functions in Swift 📄 and Monads 📄
- Typelift Community Repo 📝
- 🙌 Swiftz Functional Programming Library ✏️
- Second Bridge Swift Functional Framework ✏️
- Swiftx Functional Data Types ✏️
- Aquifier Functional streaming abstractions in Swift ✏️
- Basis Pure Declarative Programming in Swift ✏️
- Functional Concurrency Primitives ✏️
- Functional View Controllers 📄 📝
- Lenses in Swift 📄 📝 ✏️
- Prelude Library 📄
- Transducers and Reducers in Swift 2 ✏️ 📄
- Lenses, Prisms, Isos in Swift 2 ✏️
- Better Recursion with Swift 🎤 💾
- Folds in Swift 📄 📄 📝 📝
- Functor and Monad in Swift 📄 📝
- Llama Calculus 💾
- FizzBuzz with infinite streams 📄
- 7 Habits for more functional Swift 💾
- Y Combinators in Swift 📝
- Arrows in Swift 📝
- Understanding Reduce in Swift [:page_facing_up:] 📄
- infix Operators for Monadic Functions in Swift ✏️
- Lazy Streams in Swift ✏️
- Funky Functional Programming Tools and Experiements ✏️
- Functional Memoization in Swift 📄 📄 📝
- Reader Monad in Swift 📝 📝
- Writer Monad in Swift 📝 📝
- Back to the Futures with Swift 💾
- State Monads in Swift ✏️
- Array to Zipper ✏️
- From Category Theory to Swift 📄 ✏️
- Higher Kinded Types 📝 📄 📄
- Categories in Swift 📝
- Applicatives in Swift 📝 ✏️ 📄
- Church Encoding 📝
- Lambda Calculus in Swift 2 📝
- Simple Monoid Example 📝 📝
- Dollar.Swift Functional Toolkit like Lodash and Underscore ✏️
- Understanding
- The Difference between RxSwift and ReactiveCocoa 📄, 📄
- FRP in Swift 2.0 🎤
- Functional Reactive Programming in an Imperative World 🎤
- 🙌 RAC 3 with Ash Furrow 💾, and some other nice 💾
- FRP with RAC in Swift 💾
- Learning RxSwift 🔗
- Upgrading to RxSwift 📄
- FRP is a forbidden term 📄
- What is FRP? On StackOverflow 📄
- From RAC to RxSwift: The (Mini) Survival Guide 📄
- State, Promises, and Reactive Programming 🎤 ✏️
- State Machines in Swift ✏️
- RxSwift Community Webpage 🔗
- Functional Reactive Programming on iOS 💾
- Modern application architectures (Reactive programming, MVVM and beyond) 📄
- Delta Library for managing state 📄
- 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
- Dependency Injection
- 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 🎤
- Swift vs Golang 💾
- Swift 2.0 Protocol Extensions vs Java Abstract Classes 🔗
- What do Haskell developers think of Swift? 🔗
- Transitioning
- LLVM Compiler
- swiftc
- Optionals
- Types
- Swift's Type System 📄
- Types and Metatypes in Swift 📄
- Typeclasses in Swift, Haskell and Scala 📄
- Understanding Downcasting Operators in Swift 📄
- Swift Manual Retain/Release 📄
- Type-Erased Wrappers in Swift 🎤
- Swift MetaTypes 📄
- Tying the Knot in Swift 🔗
- Make all Value Types Equatable 🎤
- The Natural Numbers Encoded as Types 📄
- Type Introspection 📄
- Safer Swift Code With Value Types 🎤 💾
- Dependent Types in Swift 📄 and why they matter 📄
- Creating new Types in Swift 📄
- Properties of Types Conforming to Protocols 📄
- Wrapper Types 📄
- Phantom Types in Swift 📄
- Typeclasses in Swift and Scala 📄
- Return Type Polymorphism in Swift 📄 🔗
- Type Reflection and Casting
- Simple Reflection in Swift 📄
- Understanding Reflection in Swift and how to use it 📄
- Typecasting and the Swift Runtime 📄
- Why doesn't Swift have implicit type conversion? 📄
- Associated Types
- Value and Reference Types
- Production Swift
- 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 📄
- Swift Diagrams Playground for P.O.P. 📄
- 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 String Cheat Sheet 📄 📝
- How is the String type implemented? 📄
- 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 📝
- Useful String Library ✏️
- 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 🎤
- Making Friends with Value Types 🎤
- Catching up with Swift 💾
- Idiomatic Swift 💾
- Swiftly Methods 📄
- Open Source Swift
- Opinions about Swift
- Wishlist for Swift 3.0 📄
- What are the Worst parts of Swift? 📄
- 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? 📄
- Better Unit Testing with Swift 📄
- UI Testing Cheat Sheet 📄
- SwiftTest BDD Testing Framework ✏️
- More functional testing 📄
- Unit Testing with @testable in Xcode 7 📄
- Mocking Objects in Swift 📄
- Reverse Engineering iOS Apps 🎤
- TDD on iOS 🎤
- The state of iOS testing in 2015 📄
- Testing in Swift with Quick 🎤 🎤
- Network Testing in Swift 🎤
- TDD By Controlling Dependencies in Swift 🎤, 🎤
- iOS Snapshot Test Cases ✏️
- Quick Testing Framework ✏️
- Nimble Matcher Framework ✏️
- Swift Lint ✏️
- How to configure Travis CI for iOS Testing 📄
- Setting up KIF for iOS Acceptance Testing 📄
- Replacing KIF with XCUI Tests 📄
- SwiftCheck: QuickCheck for Swift ✏️
- Web Services and Networking
- SwiftHTTPStatusCodes 📝
- Calling APIs and Parsing JSON with Swift 📄
- Parsing Embedded JSON and Arrays in Swift 📄
- Real World JSON Parsing 📄
- Efficient JSON Parsing with Functional Concepts 📄
- Swift and JSON: Are we doing it right? 🎤
- Calling a REST Api in Swift 📄
- How to Make REST API Calls and Parse JSON with Swift 📄
- HTTP in Swift 📄
- Reachability Library 📄
- Other
- Ray Wenderlich 📋
- Toptal 📋
- LeetCode 📋
- Coding Questions 📋
- 🔥 Awesome Swift Interview Questions 📋
- 🔥 Awesome iOS Interview Questions 📋
- Forums
- Jobs
- Meetups
- Meetup.com Swift Meetups 🔗
Let this list serve as a huge thank you to the incredible Swift Community. It would not exist if the people behind Swift were not so incredibly innovative, intellectual, and enthusiastic about the language and about open source. I created this list because I believe that the Swift community can be just as smart as the Haskell Community if guided properly. If you would like to make the Swift community smarter and contribute to this list, make sure to check out the emoji key and please open up a pull request or send a tweet of the content to @FeelFunnyFlow. If the topic of the content is already exists on the list, create an adjacent emoji to the existing content. I realize that this list is by no means perfect, so if you have an idea as to how I can change it, please let me know!
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!