Centrifugo vs PushBits
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
PushBits
Notification server for relaying push notifications via Matrix,
| Feature | Centrifugo | PushBits |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | MIT | ISC |
| Language | Go | Go |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, kubernetes, binary | bare-metal |
| GitHub stars | ★ 10,590 | ★ 363 |
| First released | 2015 | 2025 |
| Replaces | Pusher, Firebase Realtime Database | — |
Why pick each one
Choose PushBits if…
- Released under the ISC license
- Written in Go
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is Centrifugo or PushBits 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 PushBits free and open-source?
Yes. Centrifugo is licensed under MIT and PushBits under ISC. Both can be self-hosted at no software cost.
Can I run Centrifugo and PushBits with Docker?
Centrifugo: yes. PushBits: check the project docs for container support.