Swift SwiftUI - SwiftUI helps you build great-looking apps across all Apple platforms with the power of Swift — and surprisingly little code. You can bring even better experiences to everyone, on any Apple device, using just one set of tools and APIs. 🍎 Apple Developer What’s new in SwiftUI SwiftUI essentials Swift Charts: Vectorized and function plots AppKit (Swift Framework) AppKit - Construct and manage a graphical, event-driven user interface for your macOS app. (Mac Catalyst 13.0+macOS 10.0+) NSWorkspace (Class) - A workspace that can launch other apps and perform a variety of file-handling services. runningApplications (Instance Property) - Returns an array of running apps. macOS Security App Sandbox - Restrict access to system resources and user data in macOS apps to contain damage if an app becomes compromised. For more on sandboxing applications on macOS see macOS How to run your Applications in a Mac OS X sandbox to enhance security and Is there a sandboxing program like Sandboxie for Mac? Learn the Essentials of Swift in one hour from Paul Hudson Programmatic Navigation in SwiftUI explained