Systemd service unit and systemd-nspawn support could be written in Go, too;

From https://news.ycombinator.com/item?id=41270425 re: "MiniBox, ultra small busybox without uncommon options":

> There's a pypi:SystemdUnitParser.

> docker-systemctl-replacement > systemctl3.py parses and schedules processes defined in systemd unit files: https://github.com/gdraheim/docker-systemctl-replacement/blo...

From a container2wasm issue about linux-wasm the other day: https://github.com/container2wasm/container2wasm/issues/550#... :

> [ uutils/uucore, uutils/coreutils, uutils/procps, uutils/util-linux, findutils, diffutils, toybox (C), rustybox, ]