OpenSwiftUI

OpenSwiftUI

An open-source implementation of SwiftUI for learning, debugging, and building across platforms.

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OpenSwiftUI macOS preview in Xcode

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How SwiftUI animation works

A visual tour of state, animation sampling, and Core Animation presentation updates, through OpenSwiftUI’s implementation of the iOS 18 animation model.

  • OS: AppleOS
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Built in the open.

OpenSwiftUI follows SwiftUI’s API and documentation style while making the implementation available to study, test, and improve. The project is in early development and platform coverage varies.

Documentation Integration guide Contributing

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Resources

Tools

DisplayList Explorer

Explore how SwiftUI DisplayList descriptions map to minimalDescription encodings.

Website GitHub

RuntimeViewer

An Objective-C and Swift runtime viewer for macOS and iOS.

GitHub

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Native cross-platform UI in Swift, without the fuss.

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Shaft

A cross-platform UI framework bringing Flutter-inspired design to Swift.

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