Greenlight vs coturn
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?
Greenlight
Front-end for managing BigBlueButton meeting rooms
VS
coturn
Open-source TURN and STUN server for WebRTC
| Feature | Greenlight | coturn |
|---|---|---|
| Category | Video Conferencing | Video Conferencing |
| License | LGPL-3.0 | BSD-3-Clause |
| Language | Ruby | C |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 64 MB |
| Deployment | docker, source | docker, bare-metal, binary |
| GitHub stars | ★ 848 | ★ 14,274 |
| First released | 2016 | 2012 |
| Replaces | Zoom, Google Meet | — |
Why pick each one
Choose Greenlight if…
- Released under the LGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Ruby
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
Frequently asked questions
Is Greenlight or coturn 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 Greenlight and coturn free and open-source?
Yes. Greenlight is licensed under LGPL-3.0 and coturn under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Greenlight and coturn with Docker?
Greenlight: yes. coturn: yes.