SHSelfHostIndex

Isso vs irssi

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?
IS Isso Lightweight self-hosted commenting server VS IR irssi Modular terminal IRC client with scripting
FeatureIssoirssi
CategoryChat & CommunicationChat & Communication
LicenseMITGPL-2.0
LanguagePythonC
Setup difficultyEasyMedium
Min. RAM128 MB32 MB
Deploymentdocker, bare-metal, sourcebare-metal, binary, source
GitHub stars★ 5,296★ 3,129
First released20121999
ReplacesDisqusSlack

Why pick each one

Choose Isso if…

  • Very lightweight
  • Easy to integrate with static sites
Isso details

Choose irssi if…

  • Released under the GPL-2.0 license
  • Active community (3.1k GitHub stars)
  • Written in C
  • Tiny footprint — runs in 32 MB RAM
irssi details

Frequently asked questions

Is Isso or irssi better?

Isso is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider irssi if its specific feature set fits your needs better.

Are Isso and irssi free and open-source?

Yes. Isso is licensed under MIT and irssi under GPL-2.0. Both can be self-hosted at no software cost.

Can I run Isso and irssi with Docker?

Isso: yes. irssi: check the project docs for container support.

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