Berty vs Chatmail Relay

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?
FeatureBertyChatmail Relay
CategoryChat & CommunicationChat & Communication
LicenseApache-2.0MPL-2.0
LanguageTypeScriptPython
Setup difficultyHardMedium
Min. RAM256 MB512 MB
Deploymentbare-metal, sourcedocker, bare-metal
GitHub stars★ 9,268★ 476
First released20182023
ReplacesWhatsApp, SignalWhatsApp, Signal

Why pick each one

Choose Berty if…

  • Released under the Apache-2.0 license
  • Mature project with 9.3k GitHub stars
  • Written in TypeScript
  • Tiny footprint — runs in 256 MB RAM
Berty details

Choose Chatmail Relay if…

  • Uses open email standards
  • Hard to censor
Chatmail Relay details

Frequently asked questions

Is Berty or Chatmail Relay better?

Neither is universally better. Berty has the larger community, while Chatmail Relay is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Berty and Chatmail Relay free and open-source?

Yes. Berty is licensed under Apache-2.0 and Chatmail Relay under MPL-2.0. Both can be self-hosted at no software cost.

Can I run Berty and Chatmail Relay with Docker?

Berty: check the project docs for container support. Chatmail Relay: yes.

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