Atheme IRC Services vs Nextcloud Talk
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
Nextcloud Talk
Chat, video calls and webinars integrated into Nextcloud
| Feature | Atheme IRC Services | Nextcloud Talk |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 59 · Fair | 86 · Excellent |
| Category | Chat & Communication | Chat & Communication |
| License | ISC | AGPL-3.0 |
| Language | C | JavaScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 64 MB | 512 MB |
| Deployment | bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 429 | ★ 2,201 |
| First released | 2005 | 2018 |
| Replaces | Slack | Slack, Zoom, Microsoft Teams |
What are Atheme IRC Services and Nextcloud Talk?
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
Nextcloud Talk
Nextcloud Talk is the communication app for the Nextcloud platform, providing private chat, audio and video calls, and screen sharing. It runs entirely on your own Nextcloud instance.
- Integrated with Nextcloud files
- WebRTC audio and video calls
- Screen sharing and webinars
- Mobile apps for iOS and Android
Atheme IRC Services vs Nextcloud Talk: key differences
Atheme IRC Services is written in C, while Nextcloud Talk is built with JavaScript. Licensing differs — ISC for Atheme IRC Services versus AGPL-3.0 for Nextcloud Talk. Atheme IRC Services is the lighter option, starting around 64 MB of RAM against 512 MB for Nextcloud Talk. Atheme IRC Services is the more established project (first released 2005), while Nextcloud Talk arrived in 2018. Nextcloud Talk has the considerably larger community, at 2,201 GitHub stars versus 429. Nextcloud Talk 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 Nextcloud Talk if…
- Tight Nextcloud integration
- End-to-end encrypted calls
Watch out for
- Requires a Nextcloud installation
- High-load calls need a TURN/HPB server
Frequently asked questions
Is Atheme IRC Services or Nextcloud Talk better?
Nextcloud Talk 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 Nextcloud Talk free and open-source?
Yes. Atheme IRC Services is licensed under ISC and Nextcloud Talk under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Atheme IRC Services and Nextcloud Talk with Docker?
Atheme IRC Services: check the project docs for container support. Nextcloud Talk: yes.
Which is lighter on resources, Atheme IRC Services or Nextcloud Talk?
Atheme IRC Services has the smaller minimum footprint at 64 MB of RAM, compared to about 512 MB for Nextcloud Talk. Real-world usage depends on library size, user count, and enabled features.