Tesserae is a UI toolkit for building websites entirely in C#, inspired by Microsoft's Fluent UI toolkit. (Add to list)

[CastleSoft]

https://github.com/curiosity-ai/tesserae

Tesserae is a UI toolkit for building websites entirely in C#, inspired by Microsoft's Fluent UI toolkit.

It uses the h5 C# to Javascript compiler to provide an easy to use, strongly typed UI development experience.

[Jogai]

see https://github.com/quozd/awesome-dotnet/blob/master/CONTRIBUTING.md