Papercups vs Pretalx

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?
FeaturePapercupsPretalx
CategoryChat & CommunicationChat & Communication
LicenseMITApache-2.0
LanguageElixirPython
Setup difficultyMediumMedium
Min. RAM1,024 MB50 MB
Deploymentdocker, bare-metal, sourcebare-metal
GitHub stars★ 6,097★ 929
First released20202025
ReplacesIntercom, DriftZoho Backstage

Why pick each one

Choose Papercups if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 6.1k GitHub stars
  • Written in Elixir
Papercups details

Choose Pretalx if…

  • Released under the Apache-2.0 license
  • Written in Python
  • Tiny footprint — runs in 50 MB RAM
Pretalx details

Frequently asked questions

Is Papercups or Pretalx better?

Neither is universally better. Papercups has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Papercups and Pretalx free and open-source?

Yes. Papercups is licensed under MIT and Pretalx under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Papercups and Pretalx with Docker?

Papercups: yes. Pretalx: check the project docs for container support.

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