Quassel IRC vs The Lounge

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?
FeatureQuassel IRCThe Lounge
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score57 · Fair91 · Excellent
CategoryChat & CommunicationChat & Communication
LicenseGPL-3.0MIT
LanguageC++TypeScript
Setup difficultyMediumEasy
Min. RAM128 MB256 MB
Deploymentdocker, binary, sourcedocker, binary, source
GitHub stars★ 794★ 6,336
First released20082014
ReplacesSlackIRCCloud, Slack

What are Quassel IRC and The Lounge?

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

The Lounge

The Lounge is a modern web-based IRC client that you host yourself, staying always connected and synchronizing across devices. It offers a responsive interface accessible from any browser.

  • Always-on IRC connection
  • Synchronized multi-device experience
  • Responsive web and mobile UI
  • Push notifications

Read the full The Lounge guide →

Quassel IRC vs The Lounge: key differences

Quassel IRC is written in C++, while The Lounge is built with TypeScript. Licensing differs — GPL-3.0 for Quassel IRC versus MIT for The Lounge. Quassel IRC is the lighter option, starting around 128 MB of RAM against 256 MB for The Lounge. Quassel IRC is the more established project (first released 2008), while The Lounge arrived in 2014. The Lounge has the considerably larger community, at 6,336 GitHub stars versus 794.

Why pick each one

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

Choose The Lounge if…

  • Great IRC experience in the browser
  • Multi-user support

Watch out for

  • IRC-only
  • No built-in voice or video
The Lounge details

Frequently asked questions

Is Quassel IRC or The Lounge better?

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

Are Quassel IRC and The Lounge free and open-source?

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

Can I run Quassel IRC and The Lounge with Docker?

Quassel IRC: yes. The Lounge: yes.

Which is lighter on resources, Quassel IRC or The Lounge?

Quassel IRC has the smaller minimum footprint at 128 MB of RAM, compared to about 256 MB for The Lounge. Real-world usage depends on library size, user count, and enabled features.

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