LATEST NEWS:   Introducing the Silverlight Migration Support Plan  

OpenSilver is a modern, plugin-free, open-source reimplementation of Silverlight, that runs on current browsers via WebAssembly. It uses Mono for WebAssembly and Microsoft Blazor. It brings back the power of C#, XAML, and .NET to client-side Web development.

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v1.0 Alpha 20 (Requires Visual Studio 2019 16.8+ for Windows)

Have a legacy Silverlight app? We can help you migrate it!

left before Silverlight reaches end of support.

Two options:

Do It Yourself

Want to migrate from Silverlight to OpenSilver on your own?

Get up to speed with a Silverlight Migration Support Plan!

It includes everything you need to quickly get up and running.

Check it out

All Inclusive

Want us to do the migration for you, in a fast and cost-effective way, without compromising look or functionality?

Our experts have been migrating apps for over 5 years, with 100% success rate.

Contact us

Quickly get a quote by uploading your .XAP

"I was impressed with the level of commitment, technical ability and support from Userware from the very beginning."

Read some Success Stories