There are 2 repositories under aufs topic.
woof - the Puppy builder
Init and management script for mounting rewritable squashfs-compressed data
squash_dir is an init-script for OpenRC (used e.g. by Gentoo) which allows to keep a directory compressed by squashfs but simultaneously allows to write on it
:whale: Docker Union Mount Volume Plugin
Kernels (v 5.x) and modules from Kernel.org git repositories
Official website for AUFS (Aberdeen University Filmmaking society)
Slik Linux squashfs filesystem builder
containerd custom daemon (default plugins + AUFS +ZFS)