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OpenSilver

OpenSilver

Open-source UI framework for developing modern .NET web applications

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About OpenSilver

OpenSilver is a free, open-source UI framework that enables developers to build sophisticated, modern web applications using .NET technologies like C# and XAML. It supports deployment across multiple platforms including Windows, Android, macOS, and all major browsers such as Chrome, Firefox, and Safari. With strong compatibility with Silverlight and extensive support for WPF, OpenSilver allows seamless migration and reuse of existing codebases, making it ideal for enterprise web development.

How to Use

Download the OpenSilver SDK, write your code in C#, VB, or F#, and design interfaces with XAML. The framework simplifies migrating existing Silverlight and WPF applications, enabling easy reuse of your current codebase for modern web deployment.

Features

  • AI-powered drag-and-drop UI designer for faster development
  • Supports cross-platform web application deployment
  • Facilitates migration from Silverlight and WPF
  • Develop using C#, VB, or F# languages
  • Integrates with MAUI for hybrid app development

Use Cases

  • Developing cross-browser, cross-device web applications
  • Creating new enterprise-grade web apps with C# and XAML
  • Migrating legacy Silverlight or WPF applications to modern web platforms

Best For

.NET software developersWeb application developersWPF application developersSilverlight developersEnterprise web solution providers

Pros

  • Enables seamless migration without rewriting code
  • Compatible with modern frameworks like Blazor, React, and Angular
  • Completely free and open-source
  • Runs efficiently across all browsers and devices
  • Allows code reuse from Silverlight and WPF projects

Cons

  • Requires knowledge of C# and XAML for development
  • Dependent on community support and Userware updates
  • Migration process may need some adjustments and testing

Pricing Plans

Choose the perfect plan. All plans include 24/7 support.

OpenSilver Expert Consulting

$2,733/month

Professional guidance from experienced OpenSilver consultants.

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Most Popular

OpenSilver Dedicated Developer

$5,177/month

Dedicated developer support directly from the OpenSilver team.

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OpenSilver Dedicated Developer Plus

$8,179/month

Dedicated developer providing up to 70 hours of customized monthly assistance.

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FAQs

Which platforms are supported by OpenSilver?
OpenSilver supports Windows, macOS, Android, and all major browsers including Chrome, Firefox, and Safari.
Can I migrate my Silverlight or WPF applications to OpenSilver?
Yes, OpenSilver provides migration support, allowing reuse of existing Silverlight and WPF codebases.
What programming languages are compatible with OpenSilver?
You can develop with C#, Visual Basic, or F# in OpenSilver.
Is OpenSilver compatible with frameworks like Blazor, React, and Angular?
Yes, OpenSilver integrates well with Blazor, React, and Angular for comprehensive web development.
Is OpenSilver suitable for enterprise web applications?
Absolutely, OpenSilver offers enterprise-grade controls and supports large-scale web projects.