BalloonOS
An ArchISO made distro that's ideal for recovery/ using when HDD fails
... not have any custom repos yet. This distro is basically vanilla arch with a lot of apps packed inside for recovery, tools, games, and even some apps for daily driving this distro incase your disk dies and you just have a USB to put an OS on.
If you wish to compile it, you should read these: https://wiki.archlinux.org/title/archiso and https://gitlab.archlinux.org/archlinux/archiso.