Code Quality Rank: L1
Programming language: C++
License: GNU General Public License v3.0 or later
Tags: Irc     Communication systems    
Latest version: v0.14

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Quassel IRC

Quassel CI Build Status

Quassel IRC is a modern, cross-platform, distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core -- much like the popular combination of screen and a text-based IRC client such as WeeChat, but graphical.

Not only do we aim to bring a pleasurable, comfortable chatting experience to all major platforms, but it's free - as in beer and as in speech, since we distribute Quassel under the GPL, and you are welcome to download and see for yourself!

Release notes

You can find the current release notes on the Quassel IRC homepage, as well as in this repository's [ChangeLog][repo-changelog].


Official, stable downloads are provided on the Quassel IRC download page.

Untested, automated builds are available for Windows and for macOS. More details at the nightly.link page, by oprypin. Or, if you are logged in to GitHub, pick any build from the GitHub Actions tab.

Unofficial builds and testing versions are contributed by several community members.

Quick reference

We recommend reading the getting started guide on the wiki, but in a pinch, these steps will do.

On first run of the Quassel core, it will wait for a client to connect and present a wizard that will allow you to create the database and one admin user for the core-side storage.

Once you've set up Quassel, you may:

  • Add more users: quasselcore --add-user
  • Change the password of an existing user: quasselcore --change-userpass=username
  • See all available options: quasselcore --help

On some systems, you may need to specify --configdir, e.g. quasselcore --configdir=/var/lib/quassel [command].

To learn more, see the Quassel project wiki for in-depth documentation.

Getting involved

IRC is the preferred means of getting in touch with the developers.

The Quassel IRC Team can be contacted on Libera Chat/#quassel (or #quassel.de). If you have trouble getting Quassel to connect, you can use Libera Chat's web client.

We always welcome new users in our channels!

You can learn more and reach out to us in several ways:

Thanks for reading,

~ The Quassel IRC Team

*Note that all licence references and agreements mentioned in the Quassel IRC README section above are relevant to that project's source code only.