The FreeBSD jail mechanism is an implementation of operating system-level virtualization that allows system administrators to partition a FreeBSD-based computer system into several independent mini-systems called jails.
Comments about FreeBSD Jails as an Alternative to Docker
Most users think FreeBSD Jails is a great Docker alternative.
- FreeBSD Jails is Free and Open Source
Great tools and documentation, they have been around for much longer than docker and are a more mature solution.