Ergo vs Quassel IRC

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?
FeatureErgoQuassel IRC
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score88 · Excellent57 · Fair
CategoryChat & CommunicationChat & Communication
LicenseMITGPL-3.0
LanguageGoC++
Setup difficultyMediumMedium
Min. RAM64 MB128 MB
Deploymentdocker, binary, sourcedocker, binary, source
GitHub stars★ 3,333★ 794
First released20162008
ReplacesSlack, DiscordSlack

What are Ergo and Quassel IRC?

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 →

Quassel IRC

Quassel is a distributed IRC client built around a central core that stays connected and one or more clients that attach to it. The core acts as a permanent bouncer storing backlog for all devices.

  • Always-on core bouncer
  • Synced backlog across devices
  • Qt desktop clients
  • PostgreSQL or SQLite storage

Ergo vs Quassel IRC: key differences

Ergo is written in Go, while Quassel IRC is built with C++. Licensing differs — MIT for Ergo versus GPL-3.0 for Quassel IRC. Ergo is the lighter option, starting around 64 MB of RAM against 128 MB for Quassel IRC. Quassel IRC is the more established project (first released 2008), while Ergo arrived in 2016. Ergo has the considerably larger community, at 3,333 GitHub stars versus 794.

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 Quassel IRC if…

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Written in C++
  • Tiny footprint — runs in 128 MB RAM
Quassel IRC details

Frequently asked questions

Is Ergo or Quassel IRC 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 Quassel IRC free and open-source?

Yes. Ergo is licensed under MIT and Quassel IRC under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Ergo and Quassel IRC with Docker?

Ergo: yes. Quassel IRC: yes.

Which is lighter on resources, Ergo or Quassel IRC?

Ergo has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Quassel IRC. Real-world usage depends on library size, user count, and enabled features.

Related comparisons