Welcome to the Press Room!

On March 9 we launched OpenSilver (Technology Preview), an open-source reimplementation of Silverlight which has the unique ability to run on all browsers and across all platforms, without requiring a plug-in.

On this page you will find the press release, some logos, and a early access to the Technology Preview.



Click on a logo for a high resolution version (PNG with Alpha):

OpenSilver logo full (2022x595)                             OpenSilver logo (450x450)


Press release:

Click the link below to download the Press Release:


About Userware:

Userware is a software company founded in 2007 by two experts in Microsoft technologies. It is based in Paris, France, and has a portfolio of products with more than 25,000 customers in over 75 countries. Specialized in Microsoft technologies and developer tools, the company is also behind CSHTML5, a Visual Studio extension that is able to compile C# and XAML code into HTML and JavaScript.

Userware has continuously improved CSHTML5 for the past 6 years and is now leveraging its codebase to deliver OpenSilver quickly, replacing JavaScript with WebAssembly for native execution and improved .NET compatibility.



For press inquiries, please contact Giovanni Albani at: giovanni@opensilver.net