OpenSilver

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Introduction: OpenSilver is a free, open-source UI framework designed for building modern .NET web applications using C# and XAML. It supports deployment across Windows, Android, Mac, and major web browsers including Chrome, Firefox, and Safari. By offering compatibility with Microsoft Silverlight and extensive WPF support, it allows developers to utilize C#, VB, or F# while accessing enterprise-grade controls and libraries.
Monthly Visitors: 5.5K

OpenSilver Product Information

What is OpenSilver?

OpenSilver is a free, open-source UI framework for building modern .NET web applications in C# and XAML. It enables building applications that run on Windows, Android, Mac, Google Chrome, Firefox, and Safari. OpenSilver offers compatibility with Microsoft Silverlight and extensive WPF support, allowing developers to code in C#, VB, or F# and leverage enterprise-grade controls and libraries.

How to use OpenSilver?

Developers can download the OpenSilver SDK, write code in C#, VB, or F#, and build web applications using XAML. The framework facilitates the migration of Silverlight and WPF projects, enabling the reuse of existing codebases.

OpenSilver's Core Features

  • Cross-platform compatibility
  • Silverlight and WPF migration support
  • C#, VB, and F# coding
  • AI-enhanced drag-and-drop UI designer
  • MAUI Hybrid integration

OpenSilver Use Cases

#1 Migrating legacy Silverlight or WPF applications to the modern web
#2 Building new .NET web applications with C# and XAML
#3 Creating cross-platform applications that run on various browsers and devices

FAQ from OpenSilver

What platforms does OpenSilver support? +

OpenSilver supports Windows, Android, Mac, Google Chrome, Firefox, and Safari.

Can I migrate my existing Silverlight or WPF application to OpenSilver? +

Yes, OpenSilver supports migration from Silverlight and WPF, allowing you to reuse your existing code.

What programming languages can I use with OpenSilver? +

You can code in C#, VB, or F#.

Is OpenSilver compatible with other web technologies like Blazor, React, and Angular? +

Yes, OpenSilver is compatible with Blazor, React, and Angular.

OpenSilver Pricing

Free

$0

Free plan available.

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Use these comparison pages to understand the trade-offs between the models most relevant to OpenSilver.

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