Uno Platform maintainer here - We're maintaining production apps ourselves, like NuGet Package Explorer [1], or Uno Calculator [2], and many third-party apps are in production, with some shown in case studies [3]. You can also find some other tech Wasm demos [4] on our repo.

1: https://nuget.info

2: https://calculator.platform.uno

3: https://platform.uno/case-studies

4: https://github.com/unoplatform/uno#live-webassembly-apps