Ergo 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?
FeatureErgoirssi
Deploy effortUnder-an-hour setupRead-the-docs project
Health score88 · Excellent69 · Good
CategoryChat & CommunicationChat & Communication
LicenseMITGPL-2.0
LanguageGoC
Setup difficultyMediumMedium
Min. RAM64 MB32 MB
Deploymentdocker, binary, sourcebare-metal, binary, source
GitHub stars★ 3,333★ 3,141
First released20161999
ReplacesSlack, DiscordSlack

What are Ergo and irssi?

Ergo

Ergo, formerly known as Oragono, is a modern IRC server written in Go that combines an IRCd with bouncer-like features. It supports IRCv3, has built-in account management, and stores message history.

  • Full IRCv3 support
  • Built-in account registration
  • Persistent message history
  • Single binary deployment

Read the full Ergo guide →

irssi

irssi is a terminal-based IRC client known for its stability, scripting support, and clean interface. It can be combined with screen or tmux to act as a long-running session.

  • Terminal interface
  • Perl scripting
  • Themeable display
  • Long-running stability

Ergo vs irssi: key differences

Ergo is written in Go, while irssi is built with C. Licensing differs — MIT for Ergo versus GPL-2.0 for irssi. Irssi is the lighter option, starting around 32 MB of RAM against 64 MB for Ergo. Irssi is the more established project (first released 1999), while Ergo arrived in 2016. Ergo lists first-class Docker deployment; irssi does not.

Why pick each one

Choose Ergo if…

  • No external services needed
  • Easy to run

Watch out for

  • IRC protocol limitations
  • No web UI included
Ergo 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 Ergo or irssi better?

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

Are Ergo and irssi free and open-source?

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

Can I run Ergo and irssi with Docker?

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

Which is lighter on resources, Ergo or irssi?

irssi has the smaller minimum footprint at 32 MB of RAM, compared to about 64 MB for Ergo. Real-world usage depends on library size, user count, and enabled features.

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