Krathalan's packaging softwares. A set of programs for:
The specific use case is having a spare PC at home that you possibly use for a media server, but has enough power to compile some programs. You can set up krack to build your desired packages on this PC, and then upload them to a remote of your choosing that hosts a pacman repository. Then all your Arch devices can pull in package updates without having to build each package themselves. Krack can facilitate this process automatically, but takes some setup.
All of the documentation comes in the form of man pages.
man krack is the main one, but there are man pages for each Krack program.
krack from the AUR: https://aur.archlinux.org/packages/krack/