Blazor is an excellent C# on the browser stack.
And MAUI will target React Native (native controls) and Cordova (Blazor on Maui) at the same time ... which is extremely powerful. But that is half a year out.
.NET has a lot to offer if you take individual app models of it. If you want to stick in one language, it is even a top contender.
Linux selling point is already gone. That is standard already for 5 years now.
