OpenSilver is a modern, open-source UI framework that enables developers to build .NET web applications using C# and XAML. It offers seamless migration from Silverlight and WPF, ensuring code reusability and compatibility.
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#OpenSilver
#UI framework
#C# development
#XAML applications
#modern web apps
#cross-platform development
#code reusability
#legacy application migration
#AI-enhanced design
#Visual Studio Code
#Blazor compatibility
#React integration
#Angular support
#Silverlight transition
#web technology
#developer tools
#open-source framework
#browser compatibility
#modern application development
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OpenSilver
OpenSilver is a modern, open-source UI framework that enables developers to build .NET web applications using C# and XAML. It offers seamless migration from Silverlight and WPF, ensuring code reusability and compatibility.
AI Platforms & Frameworks
Web Tools
Tool Libraries
Operations Tools
#OpenSilver
#UI framework
#C# development
#XAML applications
#modern web apps
#cross-platform development
#code reusability
#legacy application migration
#AI-enhanced design
#Visual Studio Code
#Blazor compatibility
#React integration
#Angular support
#Silverlight transition
#web technology
#developer tools
#open-source framework
#browser compatibility
#modern application development
...
Featured
What is OpenSilver?
OpenSilver is a free, open-source UI framework designed for building modern .NET web applications using C# and XAML. It supports WPF and Silverlight applications and facilitates seamless transition away from legacy Silverlight technology. The framework ensures 100% code reusability, compatibility with various modern web technologies like Blazor, React, and Angular, and offers an AI-enhanced XAML designer for Visual Studio Code. With OpenSilver, developers can build cross-platform applications that run on any browser and device, preserving the original look and feel of the apps, while significantly reducing the migration cost and time.
Who will use OpenSilver?
- Developers
- Software Engineers
- IT Managers
- Legacy Silverlight/WPF App Owners
How to use the OpenSilver?
- Step1: Download the OpenSilver SDK from the website.
- Step2: Set up your development environment with Visual Studio or Visual Studio Code.
- Step3: Create a new OpenSilver project or migrate existing Silverlight/WPF projects.
- Step4: Develop your application using C#, XAML, and other supported technologies.
- Step5: Test your application across various browsers and devices.
- Step6: Deploy your application to the web server or cloud platform.
Platform
- web
- mac
- windows
- chrome
OpenSilver's Core Features & Benefits
The Core Features
- AI-enhanced XAML Designer for VS Code
- 100% Code Reusability
- Cross-Platform (Windows, Mac, Android)
- Enterprise-grade controls and libraries
- Silverlight and WPF migration
- Compatibility with Blazor, React, Angular
The Benefits
- Reduces migration costs and time
- Ensures cross-platform compatibility
- Eliminates need for costly rewrites
- Allows leveraging existing code
- Provides dedicated support
- Maintains original app look and feel
OpenSilver's Main Use Cases & Applications
- Migrating legacy Silverlight applications
- Building new .NET web applications
- Creating cross-platform apps with C# and XAML
- Integrating with modern web technologies (Blazor, React, Angular)
OpenSilver's Pros & Cons
The Pros
Open-source and free to use.
Enables migration of legacy Silverlight and WPF apps to modern web technologies.
Supports 100% code reusability, saving time and costs.
Compatible with multiple web browsers and platforms.
Integrates with popular front-end frameworks like Blazor, React, and Angular.
Includes AI-enhanced drag-and-drop UI designer for easier app development.
Offers professional support and migration services.
The Cons
No direct AI functionalities despite having AI-enhanced UI designer.
Dependency on legacy tech knowledge (Silverlight/WPF) may limit new user adoption.
No explicit GitHub repository link provided on the main page.
Limited information on pricing beyond a general link to subscription support plans.
OpenSilver's Pricing
| Has free plan | YES |
|---|---|
| Free trial details | |
| Pricing model | Free |
| Is credit card required | No |
| Paid from | |
| Has lifetime plan | No |
| Billing frequency |
FAQs of OpenSilver
OpenSilver Company Information
- Website: https://opensilver.net
- Company Name: Userware
- Support Email: [email protected]
- Facebook: NA
- X(Twitter): https://twitter.com/OpenSilverTeam
- YouTube: https://www.youtube.com/channel/UCkyc2jlAosS5BXnfPny_j0w
- Instagram: NA
- Tiktok: NA
- LinkedIn: https://www.linkedin.com/showcase/opensilver/
Analytic of OpenSilver
Visit Over Time
Monthly Visits
7.8k
Avg Visit Duration
00:00:12
Page Per Visit
1.52
Bounce Rate
42.91%
Sep 2025 - Nov 2025 All Traffic
Geography
Top 5 Regions
United States
29.85%
Germany
20.33%
Vietnam
18.37%
Korea, Republic of
10.64%
Italy
6.93%
Sep 2025 - Nov 2025 Worldwide Desktop Only
Traffic Sources
Direct
33.24%
Search
22.05%
Referrals
21.89%
Social
21.03%
Paid Referrals
1.57%
Mail
0.11%
Sep 2025 - Nov 2025 Desktop Only
Top Keywords
| Keyword | Traffic | Cost Per Click |
|---|---|---|
| opensilver | 450 | $ -- |
| open silver | 170 | $ -- |
| vs code xaml designer | 110 | $ -- |
| system.windows.input.keyboard | 70 | $ -- |
| opensilver 3.1 | 60 | $ -- |
OpenSilver Reviews
5/5
OpenSilver's Main Competitors and alternatives?
- Blazor
- React
- Angular
- Vue.js
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