There's experimental support for Podman and OCI containers on FreeBSD 14.3 and later, with some additional system configuration required [0], [1]. I've been playing with it off and on with FreeBSD 15.0 and 15.1, but I'm not using it for anything I depend on.

[0]: https://docs.freebsd.org/en/books/handbook/containers/

[1]: https://podman.io/docs/installation#installing-on-freebsd