Heard about this on Linux Unplugged a few weeks back. Haven’t had a chance to test it out yet, but it looks pretty cool.

https://flathub.org/en/apps/com.ml4w.dotfilesinstaller

https://closednetwork.io/

From quick research, it certainly seems to be the preferred alternative. It’s been around for quite awhile and look to have a legit business model. I also found an open source app that looks decent.

AnymeX