Indico vs Pretalx
A side-by-side comparison of two self-hosted chat & communication options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Indico | Pretalx |
|---|---|---|
| Deploy effort | Read-the-docs project | Read-the-docs project |
| Health score | 86 · Excellent | 82 · Excellent |
| Category | Chat & Communication | Chat & Communication |
| License | MIT | Apache-2.0 |
| Language | Python | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 200 MB | 50 MB |
| Deployment | bare-metal | bare-metal |
| GitHub stars | ★ 2,109 | ★ 946 |
| First released | 2024 | 2025 |
| Replaces | Zoho Backstage | Zoho Backstage |
What are Indico and Pretalx?
Indico
Indico - A feature-rich event management system, made @ CERN, the place where the Web was born.
Pretalx
Conference planning tool: CfP, scheduling, speaker management
Indico vs Pretalx: key differences
Both projects are written in Python. Licensing differs — MIT for Indico versus Apache-2.0 for Pretalx. Pretalx is the lighter option, starting around 50 MB of RAM against 200 MB for Indico. Indico has the considerably larger community, at 2,109 GitHub stars versus 946.
Why pick each one
Choose Indico if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Active community (2.1k GitHub stars)
- Written in Python
Choose Pretalx if…
- Released under the Apache-2.0 license
- Written in Python
- Tiny footprint — runs in 50 MB RAM
Frequently asked questions
Is Indico or Pretalx better?
Indico is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Pretalx if its specific feature set fits your needs better.
Are Indico and Pretalx free and open-source?
Yes. Indico is licensed under MIT and Pretalx under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Indico and Pretalx with Docker?
Indico: check the project docs for container support. Pretalx: check the project docs for container support.
Which is lighter on resources, Indico or Pretalx?
Pretalx has the smaller minimum footprint at 50 MB of RAM, compared to about 200 MB for Indico. Real-world usage depends on library size, user count, and enabled features.