coturn vs eturnal
A side-by-side comparison of two self-hosted video conferencing options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
coturn
Open-source TURN and STUN server for WebRTC
VS
eturnal
STUN and TURN server for real-time applications
| Feature | coturn | eturnal |
|---|---|---|
| Category | Video Conferencing | Video Conferencing |
| License | BSD-3-Clause | Apache-2.0 |
| Language | C | Erlang |
| Setup difficulty | Medium | Medium |
| Min. RAM | 64 MB | 128 MB |
| Deployment | docker, bare-metal, binary | docker, binary, source |
| GitHub stars | ★ 14,274 | ★ 340 |
| First released | 2012 | 2020 |
| Replaces | — | Twilio STUN/TURN |
Why pick each one
Choose coturn if…
- Released under the BSD-3-Clause license
- First-class Docker support for quick deployment
- Mature project with 14.3k GitHub stars
- Written in C
Choose eturnal if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Written in Erlang
- Tiny footprint — runs in 128 MB RAM
Frequently asked questions
Is coturn or eturnal better?
Neither is universally better. coturn has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are coturn and eturnal free and open-source?
Yes. coturn is licensed under BSD-3-Clause and eturnal under Apache-2.0. Both can be self-hosted at no software cost.
Can I run coturn and eturnal with Docker?
coturn: yes. eturnal: yes.