Brew actually works very nicely for Linux and is a useful method to enable package management of cli tools/libraries at the user level.

It's also widely accepted as one of the tools of choice for package persistence on immutable distros (distrobox/toolbox is also another approach):

https://docs.projectbluefin.io/bluefin-dx/

Also, for example I use it for package management for KASM workspaces:

https://gist.github.com/jgbrwn/28645fcf4ac5a4176f715a6f9b170...