Just a random idea- but,

Would anyone be interested in having a .net based blazor front end for lemmy?

Sadly, there isn't yet a c# nuget package, but, that wouldn't be hard to fix.

https://join-lemmy.org/api/

The API itself, is pretty well documented.

And, building custom front-ends is encouraged as well.

https://join-lemmy.org/docs/en/contributors/04-api.html#creating-a-custom-frontend