Gitea and Hugo come to immediate mind. I thought there was a game framework that used Go as well (which I can't find at the moment).
As a .NET guy, I've actually started looking for tools built in Go since I know they'll be easy to run across the platforms I use, without extra dependencies.
Oh I know, and I'll develop in .NET if I want to build something for Windows/Mac/Linux. (Similarly I've been hosting personal dotnet applications in Linux, although I've been building them on Windows/Mac. As someone who started back in .NET 2.0, it's amazing.)
But if I'm looking for a tool someone else built, .NET options are usually pretty slim.