Struggling with an outdated Silverlight or WPF  Application?

Migrate to OpenSilver, the plugin-free, open-source framework that uses WebAssembly, C#, XAML, and .NET to modernize your client-side web development—without starting from scratch.

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Avoid Costly Rewrites

With OpenSilver, you can transition away from Silverlight or WPF and save up to 3-6X on time and costs.

Run On Any Browser and Any Device

Get away from Internet Explorer and Silverlight limitations. Run your application everywhere.

100% Code Reusability

Leverage your existing Silverlight or WPF code, giving your old projects new life.

Blazor, React, Angular compatible

Considering a switch to other tech stacks? Mix and match with OpenSilver!
Skip the cumbersome rewrite process : keep your existing UI 100% intact, upgrade it —your choice.

Support

As you start migrating, get dedicated support from our team of experts who are always available to assist you along the way.

Identical UI

Screen to Screen parity, no need to retrain users or redo user documentation, a seamless transition to a modern framework.

Avoid Costly Rewrites

With OpenSilver, you can transition away from Silverlight or WPF and save up to 3-6X on time and costs.

Run On Any Browser and Any Device

Get away from Internet Explorer and Silverlight limitations. Run your application everywhere.

100% Code Reusability

Leverage your existing Silverlight or WPF code, giving your old projects new life.

Blazor, React, Angular compatible

Considering a switch to other tech stacks? Mix and match with OpenSilver!
Skip the cumbersome rewrite process : keep your existing UI 100% intact, upgrade it —your choice.

Support

As you start migrating, get dedicated support from our team of experts who are always available to assist you along the way.

Identical UI

Screen to Screen parity, no need to retrain users or redo user documentation, a seamless transition to a modern framework.

Reuse yourCodebase. Improve your app. Run in every browser.

Success Stories

Migrations from Silverlight and WPF to OpenSilver

Find out why leading companies work with us

Repton Projects – The legacy Silverlight application utilized Telerik controls and RIA services. The migrated version retains its appearance, performs faster, and preserves over 99% of the original code, resulting in at least a threefold cost and time savings.

Original

Migrated

Repton Projects, established in 2008, is a client-driven Project Management consultancy formed by merging Intorno Limited and Doctrinu2 Limited. They offer Project on Demand, an online project management system, consultancy services, and training to optimize project investments.

Russ Hatfield

PMC at Repton Projects

5/5

“Facing the challenge of migrating from Microsoft Silverlight to OpenSilver, Userware proved to be the solution we needed. They dispelled our initial skepticism by presenting technical options and demonstrating a commitment to making our project future-proof. Their team delivered a solid and trustworthy solution at a fair price, effectively managing the project and adapting to unforeseen challenges. The result was a successful migration, allowing us to continue selling our software without major redevelopment. We highly recommend Userware for their technical expertise and professionalism.”

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Discover what's new in OpenSilver 2.0, 2.1, and 2.2

"The new releases of OpenSilver are a giant leap forward, ensuring .NET and XAML continue to thrive in today's web development landscape. We are not just reviving but transcending the spirit of Silverlight."
- Giovanni Albani, CEO at Userware

Discover what's new in OpenSilver 2.0, 2.1, and 2.2

"The new releases of OpenSilver are a giant leap forward, ensuring .NET and XAML continue to thrive in today's web development landscape. We are not just reviving but transcending the spirit of Silverlight."
- Giovanni Albani, CEO at Userware

How It Works

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Contact Us

Let’s get inTouch

We can help!

For general inquiries, please send an email to: contact@opensilver.net

Or reach out to us at : +16505153332 or +33757690570

For migrations-related inquiries (getting a quote, analyzing the compatibility of your code, discussing the technology, etc.), please write to: migrations@opensilver.net

If you have a Support Plan subscription or would like to subscribe to one, please write to: premium-support@opensilver.net

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