Yet one more wrapper around jail, bhyve, QEMU and XEN

Jail-shell is a linux security tool mainly using chroot, namespaces technologies, limiting users to perform specific commands, and access sepcific directories.

Bhyve VM Manager

Painless Linux sandboxing API

mod_execdir: jailed system function. Run only the shell command in the specified directory

A chroot jail for online judge

JSH is an easy-to-use jailed shell tool that supports home jail for SSH / SFTP and does not require complicated docker or chroot configurations.

a tool to drop privileges for docker entry-points

Kernel module providing devctl notifications for jails

mod_jail is Apache 2.xx module, that makes running Apache in a secure jail prison easy

Desktop environment in FreeBSD Jail