Earlier quoted context omitted.
There is a similar type of app called NetPad. https://github.com/tareqimbasher/NetPad It's not as good as LINQPad, but it runs on the Mac.
They don't have Syntax Tree analysis yet but I hear it will be released soon Notice a common theme here? Literally zero ways to browse C# syntax trees available on the Mac. Nothing in the cloud either from what I could find. Roslyn was open-sourced in April 2014, which was 122 months ago. (edit: Another commenter pointed out that there is in fact a new VS Code extension that can do this, released Aug 2023) By the way…
Literally zero? I can count 2 from the top of my head.