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OpenSilver

OpenSilver: The open-source reimplementation of Silverlight.

OpenSilver

About OpenSilver

What is OpenSilver?

OpenSilver is a free, open-source UI framework designed for building modern .NET web applications using C# and XAML. It provides developers with the tools necessary to create rich, interactive web applications while leveraging their existing knowledge of .NET technologies. OpenSilver is professionally supported by Userware, ensuring that users have access to expert assistance and resources.

This framework is built on the foundation of Silverlight, allowing for a smooth transition for developers familiar with that technology. OpenSilver aims to modernize web application development by offering a robust set of features that enhance performance and user experience.

OpenSilver Features

OpenSilver is a free, open-source UI framework designed for building modern .NET web applications using C# and XAML. It provides developers with the tools necessary to create rich, interactive web applications that leverage the capabilities of the .NET ecosystem.

Some of the key features and capabilities of OpenSilver include:

Support for C# and XAML, allowing developers to use familiar languages and frameworks.

Open-source nature, enabling community contributions and transparency.

Professional support from Userware, ensuring reliability and assistance for developers.

Compatibility with modern web standards, facilitating the development of responsive and dynamic applications.

Why OpenSilver?

OpenSilver is a free, open-source UI framework designed for building modern .NET web applications using C# and XAML. It offers a robust solution for developers looking to migrate from Microsoft Silverlight, ensuring that applications remain relevant and functional in today's web environment. With professional support from Userware, OpenSilver provides a reliable platform for developers to create and maintain their applications.

The advantages of using OpenSilver include:

Seamless migration from Silverlight, allowing businesses to continue their operations without major redevelopment.

Open-source nature, which fosters community collaboration and continuous improvement.

Professional support from experienced developers, ensuring timely assistance and expertise.

Compatibility with modern web standards, making applications accessible across various devices and platforms.

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Key Features

Cross-platform compatibility
Support for existing Silverlight applications
Active community and support
Open-source and free to use

How to Use

1

Visit the Website

Navigate to the tool's official website.

Pros & Cons

What's good

Easy migration from Silverlight
Strong community support
Regular updates and improvements

What's not good

Limited documentation for advanced features
Some performance issues on older browsers

Pricing

OpenSilver Specialist Consultant
$2733
monthly
  • Expert guidance from a seasoned OpenSilver consultant
  • Up to 10 hours of dedicated monthly support
  • Flexible meeting schedules
  • Constant Teams/Slack connectivity
  • Customizable plans and initial trial session
OpenSilver Dedicated Developer
$5177
monthly
  • Access to a dedicated developer
  • 40 monthly hours of support
  • Transparent workload estimations
  • Streamlined bug reporting and feature request process
  • Ideal for Silverlight/WPF migrations and new app development
OpenSilver Dedicated Developer Plus
$8179
monthly
  • Access to a dedicated developer from the OpenSilver creation team
  • Up to 70 hours of tailored monthly support
  • Daily collaboration and adaptable support
  • Experience in diverse projects
  • Customizable engagement levels
Performance Engineering Pack
$15,000
one-time for 100 hours
  • Identifying performance bottlenecks
  • Devising a strategy to address performance issues
  • Assistance to implement the strategy
  • Knowledge transfer about best practices
  • Senior OpenSilver Architect resource

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Frequently Asked Questions