Blazor is a .NET web framework using C#/Razor and HTML that runs in the browser with WebAssembly.
Interactive web UI with C#
Blazor lets you build interactive web UIs using C# instead of JavaScript. Blazor apps are composed of reusable web UI components implemented using C#, HTML, and CSS. Both client and server code is written in C#, allowing you to share code and libraries.
Blazor is a feature of ASP.NET, the popular web development framework that extends the .NET developer platform with tools and libraries for building web apps.
Details on github: https://github.com/AdrienTorris/awesome-blazor