Centrifugo vs Glowing Bear
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
Glowing Bear
Web front end for the WeeChat IRC relay
| Feature | Centrifugo | Glowing Bear |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | MIT | GPL-3.0 |
| Language | Go | JavaScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 64 MB |
| Deployment | docker, kubernetes, binary | docker, bare-metal |
| GitHub stars | ★ 10,590 | ★ 975 |
| First released | 2015 | 2014 |
| Replaces | Pusher, Firebase Realtime Database | IRCCloud, Slack |
Why pick each one
Frequently asked questions
Is Centrifugo or Glowing Bear 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 Glowing Bear free and open-source?
Yes. Centrifugo is licensed under MIT and Glowing Bear under GPL-3.0. Both can be self-hosted at no software cost.
Can I run Centrifugo and Glowing Bear with Docker?
Centrifugo: yes. Glowing Bear: yes.