AppJail

C
C tier on Container EnginesScore 6.0 · #25 of 32
Android app
Not listed
Free plan
No
Runs on
self-hosted
appjail.readthedocs.io
The AppJail homepage

Summary

AppJail is ranked #25 of 32 in container engines on Everything Xiaomi. It runs on Self-hosted.

Compared on container engines

Free plan
Yesappjail.readthedocs.io
Rootless mode
Noappjail.readthedocs.io
Image building
Yesappjail.readthedocs.io
Image format
bothappjail.readthedocs.io
Runtime interface
otherappjail.readthedocs.io
Supported host OS
FreeBSDappjail.readthedocs.io

Facts

Purpose
AppJail is an open-source BSD-3 licensed framework for creating isolated, portable environments using FreeBSD jails.appjail.readthedocs.io · 9 Oct 2026
Audience
The project says it aims to simplify jail workflows for system administrators and developers.appjail.readthedocs.io · 9 Oct 2026
Installation
AppJail can be installed from source, as the sysutils/appjail-devel port, or as the sysutils/appjail package.appjail.readthedocs.io · 9 Oct 2026
Jail features
It supports thin and thick jails, jail dependencies, startup ordering, and parallel startup of healthcheckers, jails, and NAT.appjail.readthedocs.io · 9 Oct 2026
Storage and networking
Documented capabilities include UFS and ZFS, NAT, port forwarding, IPv4 and IPv6, virtual networks, bridges, and VNET.appjail.readthedocs.io · 9 Oct 2026
Application deployment
Makejail files automate jail creation by generating an InitScript and a BuildScript.appjail.readthedocs.io · 9 Oct 2026
OCI integration
AppJail supports deploying OCI-compatible containers into FreeBSD jails; its OCI command requires buildah and jq.appjail.readthedocs.io · 9 Oct 2026
Linux jails
Linux distributions can run in jails for isolated applications unavailable in the FreeBSD ports collection, and this method requires debootstrap.appjail.readthedocs.io · 9 Oct 2026
Secrets
AppJail documents encrypted secrets on disk and unencrypted secrets in a non-swap-backed in-memory filesystem, mounted read-only for jails by the recommended option.appjail.readthedocs.io · 9 Oct 2026
Unprivileged use
The handbook recommends allowing unprivileged users to run AppJail through a configured privilege tool such as doas, sudo, or FreeBSD's mdo.appjail.readthedocs.io · 9 Oct 2026
Notable limitation
TinyJails are identified as experimental, and raw-image jail backups require ZFS.appjail.readthedocs.io · 9 Oct 2026
Support
The project repository links to a support page for users who need help with AppJail.github.com · 9 Oct 2026
What it does
AppJail is an open-source BSD-3 licensed framework for creating isolated, portable environments using FreeBSD jails.appjail.readthedocs.io · 9 Oct 2026
Intended users
The project says its goal is to simplify jail workflows for sysadmins and developers.appjail.readthedocs.io · 9 Oct 2026
Language
AppJail is written in POSIX shell and C.appjail.readthedocs.io · 9 Oct 2026
Storage and limits
It supports UFS, ZFS, and RACCT/RCTL resource limits.appjail.readthedocs.io · 9 Oct 2026
Networking
Features include NAT, port forwarding, IPv4 and IPv6, virtual networks, bridges, VNET, DHCP, and SLAAC.appjail.readthedocs.io · 9 Oct 2026
OCI compatibility
AppJail supports deploying OCI-compatible container images in environments such as FreeBSD jails.appjail.readthedocs.io · 9 Oct 2026
Monitoring
Healthcheckers can monitor a jail, its services, or other targets the user specifies.appjail.readthedocs.io · 9 Oct 2026
Secrets limit
The default in-memory filesystem size for secrets is 32 MiB, and the documentation advises increasing it for larger needs or using disk encryption for larger blobs.appjail.readthedocs.io · 9 Oct 2026
Experimental feature
TinyJails are described as experimental stripped-down jails intended to be useful for distribution.appjail.readthedocs.io · 9 Oct 2026

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