Free
$0Free plan available.
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.
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 supports Windows, Android, Mac, Google Chrome, Firefox, and Safari.
Yes, OpenSilver supports migration from Silverlight and WPF, allowing you to reuse your existing code.
You can code in C#, VB, or F#.
Yes, OpenSilver is compatible with Blazor, React, and Angular.
Free plan available.
Use these comparison pages to understand the trade-offs between the models most relevant to OpenSilver.
Compare Gemini 1.0 Pro Deprecated and Gemini 1.5 Flash Vision Deprecated across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus general-purpose AI workloads.
Compare Gemini 1.5 Pro Vision Deprecated and Gemini 1.0 Pro Deprecated across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for general-purpose AI workloads versus long-context workloads.
Compare Gemini 1.0 Pro Vision Deprecated and Gemini 1.5 Flash Vision Deprecated across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for general-purpose AI workloads versus general-purpose AI workloads.
Compare Gemini 1.5 Pro Vision Deprecated and Gemini 1.0 Pro Vision Deprecated across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for general-purpose AI workloads versus general-purpose AI workloads.
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XAML.io is an AI-powered online UI designer designed for real-time XAML development using OpenSilver. It provides an AI-assisted environment for seamless, browser-based UI editing that requires no software installation.