I’ve noticed that more and more projects are using things like Slack as the chat
medium for their open source projects. In the past couple of days alone, I’ve
been directed to Slack for Babel and Bootstrap. I’d like to try and curb this
phenomenon before it takes off any more.
Problems with Slack
- is closed source
- has only one client (update: errata at the bottom of this article)
- is a walled garden
- requires users to have a different tab open for each project they want to be
- requires that Heroku hack to get open registration
The last one is a real stinker. Slack is not a tool built for open source
projects to use for communication with their userbase. It’s a tool built for
teams and it is ill-suited to this use-case. In fact, Slack has gone on record
as saying that it cannot support this sort of use-case: “it’s great that
people are putting Slack to good use” but unfortunately “these communities are
not something we have the capacity to support given the growth in our existing
What is IRC?
IRC, or Internet Relay Chat…
- is a standardized and well-supported protocol
- has hundreds of open source clients, servers, and bots
- is a distributed design with several networks
- allows several projects to co-exist on the same network
- has no hacks for registration and is designed to be open
No, IRC is not dead
I often hear that IRC is dead. Even my dad pokes fun at me for using a 30 year
old protocol, but not after I pointed out that he still uses HTTP. Despite the
usual shtick from the valley, old is not necessarily a synonym for bad.
IRC has been around since forever. You may think that it’s not popular anymore,
but there are still tons of people using it. There are 87,762 users currently
online (at time of writing) on Freenode. There are 10,293 people on OFTC.
22,384 people on Rizon. In other words, it’s still going strong, and I put a lot
more faith in something that’s been going full speed ahead since the 80s than in
a Silicon Valley fad startup.
Problems with IRC that Slack solves
There are several things Slack tries to solve about IRC. They are:
Code snippets: Slack has built-in support for them. On IRC you’re just asked
to use a pastebin like Gist.
File transfers: Slack does them. IRC also does them through XDCC, but this
can be difficult to get working.
Persistent sessions: Slack makes it so that you can see what you missed when
you return. With IRC, you don’t have this. If you want it, you can set up an IRC
bouncer like ZNC.
Integrations: with things like build bots. This was never actually a problem
with IRC. IRC has always been significantly better at this than Slack. There is
definitely an IRC client library for your favorite programming language, and
you can write your own client from scratch in a matter of minutes anyway.
There’s an IRC backend for Hubot, too.
GitHub has a built-in hook for announcing repository activity in an IRC channel.
Other projects are using IRC
Here’s a short, incomplete list of important FOSS projects using IRC:
- everyone else
The list goes on for a while. Just fill in another few hundred bullet points
with your imagination. Seriously, just join
# on Freenode. It
IRC is better for your company, too
We use IRC at Linode, even for non-technical people.
It works great. If you want to reduce the barrier to entry for non-technicals,
set up something like shout instead. You can
also have a pretty no-brainer link to webchat on almost every network, like
this. If you need file
hosting, you can deploy an instance of
sr.ht or something like it. You can also
host IRC servers on your own infrastructure, which avoids leaving sensitive
conversations on someone else’s servers.
Please use IRC
In short, I’d really appreciate it if we all quit using Slack like this. It’s
not appropriate for FOSS projects. I would much rather join your channel with
the client I already have running. That way, I’m more likely to stick around
after I get help with whatever issue I came to you for, and contribute back by
helping others as I idle in your channel until the end of time. On Slack, I
leave as soon as I’m done getting help because tabs in my browser are precious
Addressing feedback on this article.
Slack IRC bridge: Slack provides an IRC bridge that lets you connect to
Slack with an IRC client. I’ve used it – it’s a bit of a pain in the ass to set
up, and once you have it, it’s not ideal. They did put some effort into it,
though, and it’s usable. I’m not suggesting that Slack as a product is worse
than IRC – I’m just saying that it’s not better than IRC for FOSS projects, and
probably not that much better for companies.
Clients: Slack has several clients that use the API. That being said, there
are fewer of them and for fewer platforms than IRC clients, and there are more
libraries around IRC than there are for Slack. Also, the bigger issue is that I
already have an IRC client, which I use for the hundreds of FOSS projects that
use IRC, and I don’t want to add a Slack client for one or two projects.
Gitter: Gitter is bad for many of the same reasons Slack is. Please don’t
use it over IRC.
ircv3: Check it out: ircv3.net
irccloud: Is really cool and solves all of the problems. irccloud.com
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