iOS, Swift, Xcode Doc Links
Apple Documentation
Apple Developer Documentation
The latest developer documentation. Includes API reference, articles, and sample code. https://developer.apple.com/documentation
Xcode
Xcode + Swift
Apple site, described as "Xcode combined with the Swift programming language makes developing apps easy and fun." https://developer.apple.com/swift/resources/
Swift
Swift (General)
Overview information about "Swift-The powerful programming language that is also easy to learn." https://developer.apple.com/swift/
Swift Knowledge Base
Free example code you can take and re-use in your own projects. Swift Knowledge Base is a free, searchable collection of solutions for common iOS questions, all written for Swift 5.1. https://www.hackingwithswift.com/example-code
Glossary of Common Swift Terms
A dictionary of terms, providing definitions for all common terms used in the Swift language. https://www.hackingwithswift.com/glossary
Hacking with Swift
With more free Swift tutorials than any other site, Hacking with Swift will help you master app development with UIKit and SwiftUI. https://www.hackingwithswift.com
Swift Weekly Brief
A community-driven weekly newsletter about what’s happening in the Swift open source projects at Swift.org. Curated by Bas Broek. Started by Jesse Squires. Published for free every other Thursday. https://swiftweekly.github.io
Swift UI
SwiftUI by Example
SwiftUI by Example is the world’s largest collection of SwiftUI examples, tips, and techniques giving you over 400 pages of hands-on code to help you build apps, solve problems, and understand how SwiftUI really works. https://www.hackingwithswift.com/quick-start/swiftui