Atheme IRC Services vs Centrifugo
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?
Atheme IRC Services
Modular IRC services framework for large networks
VS
Centrifugo
Scalable real-time messaging server for apps and websites
| Feature | Atheme IRC Services | Centrifugo |
|---|---|---|
| Category | Chat & Communication | Chat & Communication |
| License | ISC | MIT |
| Language | C | Go |
| Setup difficulty | Hard | Medium |
| Min. RAM | 64 MB | 256 MB |
| Deployment | bare-metal, source | docker, kubernetes, binary |
| GitHub stars | ★ 428 | ★ 10,590 |
| First released | 2005 | 2015 |
| Replaces | Slack | Pusher, Firebase Realtime Database |
Why pick each one
Choose Atheme IRC Services if…
- Released under the ISC license
- Written in C
- Tiny footprint — runs in 64 MB RAM
Frequently asked questions
Is Atheme IRC Services or Centrifugo better?
Centrifugo is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Atheme IRC Services if its specific feature set fits your needs better.
Are Atheme IRC Services and Centrifugo free and open-source?
Yes. Atheme IRC Services is licensed under ISC and Centrifugo under MIT. Both can be self-hosted at no software cost.
Can I run Atheme IRC Services and Centrifugo with Docker?
Atheme IRC Services: check the project docs for container support. Centrifugo: yes.