IRC channel

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Internet Relay Chat is a worldwide text chat service with many thousands of users among various irc networks.

The Freenode IRC network hosts the large #haskell channel, and we've had up to 367 concurrent users (average is 319). One famous resident is Lambdabot, another is hpaste (see the Bots section below).

The IRC channel can be an excellent place to learn more about Haskell, and to just keep in the loop on new things in the Haskell world. Many new developments in the Haskell world first appear on the irc channel.

Getting there

If you point your irc client to and then join the #haskell channel, you'll be there. Alternately, you can try which connects inside the browser.

Example, using irssi:

   $ irssi -c -n myname -w mypassword
   /join #haskell

Tip, if you're using Emacs to edit your Haskell sources then why not use it to chat about Haskell? Check out ERC, The Emacs IRC client. Invoke it like this and follow the commands:

   M-x erc-select
   /join #haskell
A screenshot of an irssi session in #haskell


The #haskell channel is a very friendly, welcoming place to hang out, teach and learn. The goal of #haskell is to encourage learning and discussion of Haskell, functional programming, and programming in general. As part of this we welcome newbies, and encourage teaching of the language.

Part of the #haskell success comes from the approach that the community is quite tight knit -- we know each other -- it's not just a homework channel. As a result, many collaborative projects have arisen between Haskell irc channel citizens.

To maintain the friendly, open culture, the following is required:

  • Low to zero tolerance for ridiculing questions. Insulting new users is unacceptable

New Haskell users should feel entirely comfortable asking new questions. Helpful answers should be encouraged with name++ karma points, in public, as a reward for providing a good answer.


The #haskell channel appeared in the late 90s, and really got going in early 2001, with the help of Shae Erisson (aka shapr).

A fairly extensive analysis of the traffic on #haskell over the years is kept here

Related channels

In addition to the main Haskell channel there are also:

Channel Purpose German speakers
#haskell.dut Dutch speakers Spanish speakers Finnish speakers French speakers Croatian speakers Italian speakers Japanese speakers Norwegian speakers Russian speakers. Seems that most of them migrated to Jabber conference ( Swedish speakers
#haskell-overflow Overflow conversations
#haskell-blah Haskell people talking about anything except Haskell itself
#haskell-books Authors organizing the collaborative writing of the Haskell wikibook and other books or tutorials.
#gentoo-haskell Gentoo/Linux specific Haskell conversations
#darcs Darcs revision control channel (written in Haskell)
#perl6 Perl 6 development (plenty of Haskell chat there too)
#happs HAppS Haskell Application Server channel
#xmonad Xmonad a tiling window manager written in Haskell
Growth of #haskell


Logs are kept at a few places, including



Lambdabot provides many useful services for visitors to the IRC channel. Check out its wiki page for information on its commands.


The hpaste bot provides a notification interface to the hpaste pastebin. Emacs integration is available.


To get an overview of where everybody on the channel might be, physically, please visit Haskell user locations.