Compare software

OpenZitiOctelium
Free

Free and open source to self-host; NetFoundry sells a hosted version.

 Free

Free and open source.

Linux, Self-hosted, Command line Self-hosted, Command line
  • Services stay hidden with no open inbound ports
  • Identity-based access instead of network-level access
  • Combines VPN, ZTNA and gateway roles in one self-hosted system
  • Open source under AGPL-3.0 and Apache-2.0 licences
  • More complex to deploy than a simple mesh VPN
  • Aimed at developers and administrators rather than home users
  • Requires deploying and operating a cluster
  • Broad scope means more to learn than a simple VPN
Downloadable app, Self-hosted Downloadable app, Self-hosted
Open source Open source
License not stated License: AGPL-3.0, Apache-2.0
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.