Nextcloud Talk 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?
FeatureNextcloud TalkQuassel IRC
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score86 · Excellent57 · Fair
CategoryChat & CommunicationChat & Communication
LicenseAGPL-3.0GPL-3.0
LanguageJavaScriptC++
Setup difficultyMediumMedium
Min. RAM512 MB128 MB
Deploymentdocker, bare-metal, sourcedocker, binary, source
GitHub stars★ 2,201★ 794
First released20182008
ReplacesSlack, Zoom, Microsoft TeamsSlack

What are Nextcloud Talk and Quassel IRC?

Nextcloud Talk

Nextcloud Talk is the communication app for the Nextcloud platform, providing private chat, audio and video calls, and screen sharing. It runs entirely on your own Nextcloud instance.

  • Integrated with Nextcloud files
  • WebRTC audio and video calls
  • Screen sharing and webinars
  • Mobile apps for iOS and Android

Read the full Nextcloud Talk 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

Nextcloud Talk vs Quassel IRC: key differences

Nextcloud Talk is written in JavaScript, while Quassel IRC is built with C++. Licensing differs — AGPL-3.0 for Nextcloud Talk versus GPL-3.0 for Quassel IRC. Quassel IRC is the lighter option, starting around 128 MB of RAM against 512 MB for Nextcloud Talk. Quassel IRC is the more established project (first released 2008), while Nextcloud Talk arrived in 2018. Nextcloud Talk has the considerably larger community, at 2,201 GitHub stars versus 794.

Why pick each one

Choose Nextcloud Talk if…

  • Tight Nextcloud integration
  • End-to-end encrypted calls

Watch out for

  • Requires a Nextcloud installation
  • High-load calls need a TURN/HPB server
Nextcloud Talk 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 Nextcloud Talk or Quassel IRC better?

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

Are Nextcloud Talk and Quassel IRC free and open-source?

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

Can I run Nextcloud Talk and Quassel IRC with Docker?

Nextcloud Talk: yes. Quassel IRC: yes.

Which is lighter on resources, Nextcloud Talk or Quassel IRC?

Quassel IRC has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Nextcloud Talk. Real-world usage depends on library size, user count, and enabled features.

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