Not to my knowledge, but Matt Braddock's YouTube Frame Timer accomplishes the same task in a browser.

Assuming the releases of SPRT provide Windows executables (.exe files), then you should be able to run it on Linux/MacOS through Wine: https://www.winehq.org/

(I've never tried running it through Wine, but Wine is usually pretty good at running applications, people use it to run actual LiveSplit on MacOS as an example).