Papercups vs Zusam

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?
FeaturePapercupsZusam
CategoryChat & CommunicationChat & Communication
LicenseMITUnlicense
LanguageElixirPHP
Setup difficultyMediumMedium
Min. RAM1,024 MB50 MB
Deploymentdocker, bare-metal, sourcebare-metal
GitHub stars★ 6,097★ 223
First released20202023
ReplacesIntercom, Drift

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 Zusam if…

  • Released under the Unlicense license
  • Written in PHP
  • Tiny footprint — runs in 50 MB RAM
Zusam details

Frequently asked questions

Is Papercups or Zusam 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 Zusam free and open-source?

Yes. Papercups is licensed under MIT and Zusam under Unlicense. Both can be self-hosted at no software cost.

Can I run Papercups and Zusam with Docker?

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

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