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AppJail vs gVisor

Both stand on container engines. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

AppJail

Free plan Self-hosted

AppJail provides a broad FreeBSD jail framework covering lifecycle automation, storage, networking, monitoring, and container deployment. Its experimental TinyJails and dependency requirements matter when planning a setup.

Visit AppJail

gVisor

Free plan LinuxSelf-hosted

gVisor provides a Linux container sandbox with syscall handling, filesystem mediation, and integrations for common container environments. Check application compatibility and the Linux and hardware requirements before adopting it.

Visit gVisor

The facts

AppJailgVisor
Free planYesYes
Open sourceNot publishedNot published
Runs onSelf-hostedLinux, Self-hosted
Lowest paid planNot publishedFree or on request
Plans publishedNone1
MakerNot publishedNot published
Websiteappjail.readthedocs.iogvisor.dev
On container engines#15 of 31#11 of 31

AppJail: what it does well

  • Free and BSD-3 licensed
  • Supports thin and thick jails
  • UFS, ZFS, and resource limits
  • Broad IPv4 and IPv6 networking
  • Automates creation with Makejail files

What to know first

  • TinyJails are experimental
  • Raw-image backups require ZFS
  • OCI command requires buildah and jq
  • Linux jails require debootstrap

gVisor: what it does well

  • Free and open-source software.
  • Integrates with Docker, Kubernetes, containerd, and OCI runtimes.
  • Can checkpoint and restore containers.
  • Supports most CUDA applications with selected NVIDIA drivers.

What to know first

  • Requires Linux 5.6 or later.
  • Some system calls and /proc or /sys files are unsupported.
  • Compatibility listings do not guarantee full functionality.
  • Generally does not protect against hardware side channels.

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