I tried setting up a Linux server on a Linksys WRT router a dozen or so years ago, but back then I did notice the open-source ARM binaries weren't widespread.

I tried setting up a Linux server on a Linksys WRT router a dozen or so years ago, but back then I did notice the open-source ARM binaries weren't widespread. I can't remember exactly for what but I believe I gave up compiling some downloaded code after a while for what I wanted to do.