Chatmail vs Toxic

A side-by-side comparison of two self-hosted apps from related categories — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureChatmailToxic
CategoryMail ServersChat & Communication
LicenseMPL-2.0GPL-3.0
LanguagePythonC
Setup difficultyMediumMedium
Min. RAM512 MB64 MB
Deploymentdocker, bare-metal, sourcebare-metal, source
GitHub stars★ 476★ 1,301
First released20232014
ReplacesWhatsAppSkype, WhatsApp

Why pick each one

Choose Chatmail if…

  • Released under the MPL-2.0 license
  • First-class Docker support for quick deployment
  • Written in Python
  • Lightweight — runs in 512 MB RAM
Chatmail details

Choose Toxic if…

  • Released under the GPL-3.0 license
  • Active community (1.3k GitHub stars)
  • Written in C
  • Tiny footprint — runs in 64 MB RAM
Toxic details

Frequently asked questions

Is Chatmail or Toxic better?

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

Are Chatmail and Toxic free and open-source?

Yes. Chatmail is licensed under MPL-2.0 and Toxic under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Chatmail and Toxic with Docker?

Chatmail: yes. Toxic: check the project docs for container support.

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