Toxic vs MongooseIM

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

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FeatureToxicMongooseIM
CategoryChat & CommunicationMatrix & XMPP
LicenseGPL-3.0GPL-2.0
LanguageCErlang
Setup difficultyMediumHard
Min. RAM64 MB1,024 MB
Deploymentbare-metal, sourcedocker, bare-metal, source
GitHub stars★ 1,301★ 1,748
First released20142012
ReplacesSkype, WhatsAppSlack, WhatsApp

Why pick each one

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

Choose MongooseIM if…

  • Released under the GPL-2.0 license
  • First-class Docker support for quick deployment
  • Active community (1.7k GitHub stars)
  • Written in Erlang
MongooseIM details

Frequently asked questions

Is Toxic or MongooseIM better?

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

Are Toxic and MongooseIM free and open-source?

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

Can I run Toxic and MongooseIM with Docker?

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

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