iOS

1. SwiftUI

   Declarative views, state, layout and navigation.

2. UIKit

   View controllers, views, app lifecycle and responder chain.

3. Foundation

   Core data types, dates, JSON and URL loading.

4. Networking with URLSession

   Requests, sessions, background transfers and App Transport Security.

5. SwiftData

   SwiftData models, the @Model macro, model containers and queries.

6. Core Data

   Object graph persistence and migrations.

7. Background Tasks

   Scheduling refresh and processing tasks.

8. User Notifications

   Local and remote notifications and APNs.

9. Security and Keychain

   Keychain Services, certificates and cryptography.

10. StoreKit

    In-app purchases and subscriptions.

11. Human Interface Guidelines

    Design principles and platform conventions for iOS.

12. App Store Review Guidelines

    Rules for distributing apps on the App Store.

13. Xcode distribution

    Signing, TestFlight and releasing.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

Source: endoflife.date

• GitHub
• GitLab
• Gradle
• GraphQL
• gRPC and Protobuf
• Homebrew
• JetBrains IDEs
• Jira
• jq
• JWT and OAuth
• LaTeX
• Linear