Centrifugo vs openSIPS
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Centrifugo
Scalable real-time messaging server for apps and websites
VS
openSIPS
SIP proxy/server for voice, video, IM, presence and any other SIP
| Feature | Centrifugo | openSIPS |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | MIT | GPL-2.0 |
| Language | Go | C |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | bare-metal |
| GitHub stars | ★ 10,590 | ★ 1,503 |
| First released | 2015 | 2020 |
| Replaces | Pusher, Firebase Realtime Database | — |
Why pick each one
Choose openSIPS if…
- Released under the GPL-2.0 license
- Active community (1.5k GitHub stars)
- Written in C
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Centrifugo or openSIPS better?
Neither is universally better. Centrifugo has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Centrifugo and openSIPS free and open-source?
Yes. Centrifugo is licensed under MIT and openSIPS under GPL-2.0. Both can be self-hosted at no software cost.
Can I run Centrifugo and openSIPS with Docker?
Centrifugo: yes. openSIPS: check the project docs for container support.