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# Uno Platform Documentation

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**Uno Platform** is an open-source .NET platform that enables developers to quickly build native mobile, web, desktop, and embedded applications—all from a single codebase.

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#### Get Started

Set up with your OS and IDE of choice.

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#### How-Tos and Tutorials

Four complete tutorials and hundreds of real-world samples.

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#### Developing with Uno Platform

Learn the principles of cross-platform development with Uno.

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#### Uno Platform Studio

**Uno Platform Studio** is a set of productivity tools designed to enhance developer productivity.

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#### C# Markup

Write UI using C# instead of XAML

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#### MVUX

Reactive programming with Uno Platform

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#### Uno Toolkit

Include new advanced UI controls

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#### Figma

Design your app in Figma and easily import to XAML or C#

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#### Uno Themes

Use Material theme in your app

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#### Uno Extensions

Include large building blocks to complete your app faster

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#### API Reference

Browse the set of available controls and their properties.

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## High Level Architecture

Uno Platform's application API is compatible with Microsoft's [WinUI 3 API](https://learn.microsoft.com/windows/apps/winui/winui3/). In fact, when your application runs on Windows, it's just an ordinary WinUI 3/WinAppSDK application.

This means that existing WinUI code is compatible with Uno Platform. Existing WinUI libraries can be recompiled for use in Uno Platform applications. A number of [3rd-party libraries](xref:Uno.Development.SupportedLibraries) have been ported to Uno Platform.

![High-level architecture diagram - WinUI on Windows, Uno.UI on other platforms](Assets/high-level-architecture-diagram.png)

Uno Platform is pixel-perfect by design, delivering consistent visuals on every platform. At the same time, it can either use the [native UI framework](xref:uno.features.renderer.native) on some target platforms or use a [Skia-based rendering](xref:uno.features.renderer.skia) approach, while making it easy to [integrate native views](xref:Uno.Development.NativeViews) and tap into native platform features.

Learn more about [how Uno Platform works](xref:Uno.Development.HowItWorks).

## Next Steps

Once you've gone through our [Get Started](get-started.md) guides, please visit our [GitHub Discussions](https://github.com/unoplatform/uno/discussions) where our team and community will be able to help you.
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