Atheme IRC Services vs Libervia
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 | Libervia |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Category | Chat & Communication | Chat & Communication |
| License | ISC | AGPL-3.0 |
| Language | C | Python |
| Setup difficulty | Hard | Hard |
| Min. RAM | 64 MB | 256 MB |
| Deployment | bare-metal, source | source |
| GitHub stars | ★ 429 | ★ 50 |
| First released | 2005 | 2009 |
| Replaces | Slack | Slack, Facebook |
What are Atheme IRC Services and Libervia?
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
Libervia
Libervia, formerly Salut a Toi, is a communication ecosystem built on XMPP that offers desktop, web, and command-line frontends. It supports chat, blogging, file sharing, and more over a single decentralized network.
- Multiple frontends on XMPP
- Blogging and file sharing
- End-to-end encryption
- Command-line interface
Atheme IRC Services vs Libervia: key differences
Atheme IRC Services is written in C, while Libervia is built with Python. Licensing differs — ISC for Atheme IRC Services versus AGPL-3.0 for Libervia. Atheme IRC Services is the lighter option, starting around 64 MB of RAM against 256 MB for Libervia. Atheme IRC Services is the more established project (first released 2005), while Libervia arrived in 2009. Atheme IRC Services has the considerably larger community, at 429 GitHub stars versus 50.
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 Libervia if…
- Released under the AGPL-3.0 license
- Written in Python
- Tiny footprint — runs in 256 MB RAM
Frequently asked questions
Is Atheme IRC Services or Libervia 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 Libervia free and open-source?
Yes. Atheme IRC Services is licensed under ISC and Libervia under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Atheme IRC Services and Libervia with Docker?
Atheme IRC Services: check the project docs for container support. Libervia: check the project docs for container support.
Which is lighter on resources, Atheme IRC Services or Libervia?
Atheme IRC Services has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Libervia. Real-world usage depends on library size, user count, and enabled features.