Incus is worth a look. It’s the fork of LXD, a container and orchestration/hypervisor program for cluster setups and infra models. Incus sits on top of the lower level LXC (Linux Containers).
- Incus Documentation: https://linuxcontainers.org/incus/docs/main/
- Incus Package Files: https://github.com/zabbly/incus#readme
- Incus Repository: https://github.com/lxc/incus#readme
- Incus Demo: https://linuxcontainers.org/incus/try-it/