Headscale vs OpenConnect Server

A side-by-side comparison of two self-hosted remote access & vpn options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureHeadscaleOpenConnect Server
CategoryRemote Access & VPNRemote Access & VPN
LicenseBSD-3-ClauseGPL-2.0
LanguageGoC
Setup difficultyMediumHard
Min. RAM128 MB128 MB
Deploymentdocker, binarybare-metal, docker
GitHub stars★ 42,612★ 600
First released20202013
ReplacesTailscaleCisco AnyConnect

Why pick each one

Choose Headscale if…

  • Full control of coordination
  • Lightweight
Headscale details

Choose OpenConnect Server if…

  • Released under the GPL-2.0 license
  • First-class Docker support for quick deployment
  • Written in C
  • Tiny footprint — runs in 128 MB RAM
OpenConnect Server details

Frequently asked questions

Is Headscale or OpenConnect Server better?

Headscale is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider OpenConnect Server if its specific feature set fits your needs better.

Are Headscale and OpenConnect Server free and open-source?

Yes. Headscale is licensed under BSD-3-Clause and OpenConnect Server under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Headscale and OpenConnect Server with Docker?

Headscale: yes. OpenConnect Server: yes.

Related comparisons