Open-Source Alternatives to Tailscale / Zero-Trust VPN
Based on our dataset, the self-hostable open-source alternatives to Tailscale / Zero-Trust VPN are NetBird and Pangolin / Headscale. The Tailscale / Zero-Trust VPN plan we benchmark is Enterprise / Business ($6-$18/user/mo).
Data last updated . How we check.
Quick comparison
| Alternative | License | RAM in starter config | Needs Postgres / Redis | Migration |
|---|---|---|---|---|
| NetBird | BSD-3-Clause / AGPL-3.0 | 256 MB | No / No | Easy |
| Pangolin / Headscale | AGPL-3.0 / BSD-3 | 128 MB | No / No | Easy |
NetBird
Zero-configuration WireGuard overlay mesh network with SSO, MFA, and browser-based access control rules
- Kernel WireGuard speed between VPS & laptops
- Visual ACL firewall matrix
- Integrates with Authentik, Keycloak, Google & Okta
Docker image netbirdio/management:latest. GitHub: netbirdio/netbird (11.5k stars when our data was last updated). Website: https://netbird.io
Pangolin / Headscale
Self-hosted identity-aware reverse tunnel (Cloudflare Tunnels + Tailscale control server alternative)
- Works with official Tailscale iOS/macOS/Windows clients
- 100% sovereign coordination server
- Uses <50MB RAM
Docker image headscale/headscale:latest. GitHub: juanfont/headscale (24.2k stars when our data was last updated). Website: https://github.com/juanfont/headscale
Switching from Tailscale / Zero-Trust VPN
- Pick an alternative above and open its comparison page for the cost breakdown.
- Generate a free starter
docker-compose.ymlin the stack builder. - Test it on a small server with a copy of your data before moving the team over.
- Check the migration notes in the table, and the official docs of the tool you pick.
More detail: Replace Tailscale / Zero-Trust VPN guide.
FAQ
What are the open-source alternatives to Tailscale / Zero-Trust VPN?
In the StackSwitcher dataset, the self-hostable open-source alternatives to Tailscale / Zero-Trust VPN are NetBird, Pangolin / Headscale.
Which Tailscale / Zero-Trust VPN plan does StackSwitcher compare against?
We benchmark Tailscale / Zero-Trust VPN Enterprise / Business ($6-$18/user/mo). The main pain point we note: Per-user mesh VPN pricing jumps steeply once you exceed free hobbyist limits or want self-hosted control planes.
How much RAM does NetBird need when self-hosted?
Our starter Docker config budgets 256 MB of RAM for NetBird. Real needs depend on your usage.
How much RAM does Pangolin / Headscale need when self-hosted?
Our starter Docker config budgets 128 MB of RAM for Pangolin / Headscale. Real needs depend on your usage.
Config templates are MIT licensed and provided "AS IS", with no warranty of any kind and no liability. Prices and specs are informational estimates from our dataset, so check the vendor and project sites before you decide. See the Terms & No Warranty disclaimer.