OpenSilver

OpenSilver is a free, open-source UI framework that enables .NET developers to build modern web applications using C# and XAML. It recompiles Silverlight and WPF applications to run natively in all modern browsers and devices, eliminating the need for plugins like Internet Explorer or Silverlight.

Key Features

• Cross-Platform: Run applications on Windows, macOS, Android, iOS, Linux, and any browser, including Chrome, Firefox, Safari.
• Legacy Migration: Migrate Silverlight and WPF apps with near-100% code reuse, preserving the original UI and logic.
• Modern Web Integration: Embed Blazor components directly into XAML, and integrate with MAUI Hybrid for native mobile experiences.
• AI-Assisted Design: The latest release includes an AI-enhanced drag-and-drop UI designer.
• Enterprise-Ready: Supports RIA Services, LightSwitch, Telerik, DevExpress, and other third-party controls.

Who It’s For

OpenSilver is designed for .NET developers, enterprises maintaining Silverlight or WPF applications, and teams seeking to modernize legacy desktop or web apps without a costly rewrite. Its compatibility with Blazor, React, and Angular allows gradual adoption of new web stacks.

Key Benefits

• Save up to 3-6X on time and costs compared to rewrites
• Run applications on any modern browser and device
• Achieve near-100% code reuse for Silverlight and WPF apps
• Blazor, React, and Angular compatible for mixed stacks