The Most Complete Open-Source Platform for Cross-Platform .NET Applications

Build single codebase native mobile, web, desktop and embedded apps quickly

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Contributors

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Flexible

Your choice of OS, IDE, state management, design systems. Use only what works for you.

Productive

Visual Studio, Rider or VS Code XAML & C# Hot Reload built-in. One-click Figma design exports.

Rich

Reuse 100’s of .NET UI components or 1st party native controls for beautiful apps.

Beautiful

Pixel-perfect, Material, Fluent or Cupertino-themed apps on all platforms.

Flexible to Your Preferences

Use only parts you need. Extend as you please.

Bring your tools

Develop From Anywhere Using Your Favorite IDE

Use familiar editors like Visual Studio, Visual Studio Code or Rider

YOUR CHOICE

C# or XAML for UI Development

Build polished cross-platform .NET UIs with concise declarative UI markup using a modern XAML-centric syntax or declarative-style C# Markup.

REACTIVE

State Management

Model-View-Update-eXtended (MVUX) gives you all the benefits of Reactive, Immutable and Declarative presentation, as well as state management., but with the additional benefit of easy testing provided by decoupling Views from Models and Updates. Read more.

true single project

One Project,
Six Platforms

Our true Single Project approach simplifies development, accelerates build times, and facilitates platform-specific development, enhancing your productivity and efficiency. Single Project for iOS, Android, WebAssembly, Linux, macOS and Windows.

Ultimate Productivity Using
Tools of Your Choice

Build Cross-Platform apps, fast.

productivity

C# and XAML Hot Reload in both Visual Studio and VS Code

Build .NET UIs and features quickly while instantaneously seeing the impact of your changes on the emulator or device.

FIGMA INTEGRATION

Generate C# or XAML Markup in Seconds

Create applications true to the way they were designed to look and behave. Get clean, responsive XAML or C# tailored to your brand guidelines. Read more about our Figma plugin.

EASE OF USE

Solution Template Wizard

Get running .NET projects in minutes. Easily configure your project to your exact preferences. Select as many or as few Uno Platform features as you’d like.

Rich UI, Fast

Reuse Windows, .NET, .NET MAUI ecosystem and native capabilities.

The choice is yours

Reuse Hundreds of UI Controls

Streamline the development process by creating stunning web, mobile, and desktop apps using a single codebase with hundreds of UI components available from WinUI, Windows Community Toolkit, 3rd-party providers, .NET MAUI controls and the Uno Toolkit

END-USER PREFERRED

Native Features & Performance

Easily provide user-familiar native UIs and features such as Payments, Clipboard, Magnifiers, Ads, Biometry, Password Managers and more.

Productivity multiplier

Uno Platform Extensions

Battle tested .NET-based cross-platform code blocks for commonly used functions like authentication, navigation, reactive and many more.

Beautiful UI, Fast

Brand enforcement

Easily Theme
Your Apps

Control the look and feel of your UI components to fit any brand or application style. Read more.

Feel right at home

Bring Your Custom Components

Reuse work you did on previous apps
or design systems.

Tools From Zero to Deployment

Hundreds of Manual Steps Reduced to a Few Commands

deployment

RESIZETIZER

Simplify asset handling by automatically generating all required image scales and splash screens from a single SVG source. No more manual resizing or asset duplication

deployment

AUTOMATED APP PACKAGING

Automate app packaging across all platforms. Bundles binaries, assets, and dependencies into native installers while supporting code signing, notarization, and more.