Kleene is a container management platform designed for FreeBSD, offering Docker-like functionality while leveraging FreeBSD's native tools like jails, ZFS, and PF. It simplifies application deployment, maintenance, and upgrades without unnecessary complexity. This platform adheres to the KISS principle, making it suitable for both beginners and experienced users. The article provides detailed installation and usage instructions, including setting up the Kleened service and Klee client, building container images, and running containerized applications. Kleene is ideal for users seeking a streamlined, efficient, and transparent container management solution on FreeBSD.