AvdLee

Add expert SwiftUI Best Practices guidance to your AI coding tool (Agent Skills open format).

Add expert Swift Concurrency guidance to your AI coding tool (Agent Skills open format): safe concurrency, performance optimization, and Swift 6 migration.

The Swift SDK to work with the App Store Connect API from Apple.

Allow users to easily share Diagnostics with your support team to improve the flow of fixing bugs.

An Agent Skill helping you to optimize Xcode incremental and clean builds by running benchmarks and optimizing build settings.

A Swift playground explaining the concepts of the new Combine framework

Publish your roadmap inside your app and allow users to vote for upcoming features

RocketSim — 30+ tools for Xcode's iOS Simulator. Testing, debugging, network monitoring, captures, accessibility, app actions, and AI agent automation via the RocketSim CLI. Used by 80k+ developers.

Easily use UIKit views in your SwiftUI applications. Create Xcode Previews for UIView elements

Best Practices in Core Data explained within a demo application

An agent skill focused entirely on Swift Testing, helping you write better tests, migrate from XCTest, improve test architecture, and adopt modern Swift testing patterns with confidence.

A Swift command-line tool to easily send push notifications to the iOS simulator

An Agent Skill focused on Apple’s Core Data framework, helping with data modeling, fetch requests, performance, and common persistence patterns.

Convert unreadable errors into understandable descriptions

Map objects through SwiftyJSON in combination with Moya

Sample code and materials for the Swift Concurrency Course by Antoine van der Lee — SwiftLee Courses

Asynchronous Operations in Swift explained in a Swift Playground

Audit Xcode developer storage, report recoverable GiB, and clean only explicitly approved items.

A @resultBuilder to use to bundle tasks together.