Atheme IRC Services vs Comm
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Atheme IRC Services | Comm |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 59 · Fair | 74 · Good |
| Category | Chat & Communication | Chat & Communication |
| License | ISC | BSD-3-Clause |
| Language | C | JavaScript |
| Setup difficulty | Hard | Hard |
| Min. RAM | 64 MB | 1,024 MB |
| Deployment | bare-metal, source | docker, source |
| GitHub stars | ★ 429 | ★ 331 |
| First released | 2005 | 2022 |
| Replaces | Slack | Discord, Slack |
What are Atheme IRC Services and Comm?
Atheme IRC Services
Atheme is a set of IRC services designed for large and highly scalable IRC networks. It provides account registration, channel management, and a flexible modular architecture.
- Scales to large networks
- Modular service design
- Account and channel management
- Used by historic IRC networks
Comm
Comm is an open-source messaging app focused on a personal server model where users can host their own Comm node. It provides end-to-end encryption and is designed for communities and small groups.
- Personal server model
- End-to-end encryption
- Native mobile apps
- Community-oriented
Atheme IRC Services vs Comm: key differences
Atheme IRC Services is written in C, while Comm is built with JavaScript. Licensing differs — ISC for Atheme IRC Services versus BSD-3-Clause for Comm. Atheme IRC Services is the lighter option, starting around 64 MB of RAM against 1,024 MB for Comm. Atheme IRC Services is the more established project (first released 2005), while Comm arrived in 2022. Comm lists first-class Docker deployment; Atheme IRC Services does not.
Why pick each one
Choose Atheme IRC Services if…
- Released under the ISC license
- Written in C
- Tiny footprint — runs in 64 MB RAM
Choose Comm if…
- Released under the BSD-3-Clause license
- First-class Docker support for quick deployment
- Written in JavaScript
Frequently asked questions
Is Atheme IRC Services or Comm better?
Neither is universally better. Atheme IRC Services has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Atheme IRC Services and Comm free and open-source?
Yes. Atheme IRC Services is licensed under ISC and Comm under BSD-3-Clause. Both can be self-hosted at no software cost.
Can I run Atheme IRC Services and Comm with Docker?
Atheme IRC Services: check the project docs for container support. Comm: yes.
Which is lighter on resources, Atheme IRC Services or Comm?
Atheme IRC Services has the smaller minimum footprint at 64 MB of RAM, compared to about 1,024 MB for Comm. Real-world usage depends on library size, user count, and enabled features.