Slack-like chat (also for GSOC)

Mark Anderson mark at
Mon May 13 01:35:57 UTC 2019

We could also try discord. It’s free like slack, but doesn’t have
limitations in the free version. RocketChat or the like might be worth it
if we want to run it on heroku or aws or something. With Slack there may be
Open Source project exceptions that let us use the premium stuff for free.
(I’ve been finding a lot of stuff like that. For instance JIRA cloud has
free options for open source.) I don’t mind IRC but I’d prefer to be able
to sign in with my phone since I’m on Eastern time and a lot of you are on
Pacific and various European times so I never know when people are around.


On Sun, May 12, 2019 at 6:15 PM Andrew Janke <floss at> wrote:

> On 5/12/19 3:49 PM, Mojca Miklavec wrote:
> > I looked at Zulip chat which was used for GSOC meeting. That one would
> > also only retain the last few thousand messages unless we payed an
> > amount that we could not afford as a project.
> > Mattermost probably doesn't offer any free SaaS option?
> > Discord would probably work as a free service, but I'm not too keen
> about it.
> >
> > I wouldn't mind cloud solutions, but it probably boils down to either
> > paying, or being limited by X, or hosting it yourself.
> You might consider Matrix as a first candidate, then? I've been playing
> around with the various Slack clones for my own group recently, and my
> understanding is that the free hosted SaaS version of Matrix on
> both retains all messages permanently, and has a good
> migration path if and when you decide to host your own Matrix instance:
> when users on your own instance ("homeserver") join Rooms originated on
> the instance, that will cause propagation of the entire Room
> history to your server. You just need to make sure you configure the
> room so that all members can see the entire room history, not just since
> they joined; I don't recall if that's the default. If you configure it
> so that all members can see the entire history of the room, you then
> have a public archive.
> And Matrix seems to be the open source-iest of this crop of clones.
> They're all about the open federated protocol, which is being developed
> in public and ostensibly to be handed over to an independent foundation
> eventually, and then provide an open-source client on top of that.
> > Mattermost probably doesn't offer any free SaaS option?
> Mattermost only offers a free 30-day trial for their SaaS option. Their
> model is really more about self-hosting, and selling a hosting service.
> Cheers,
> Andrew
Sent from Gmail Mobile on iPhone
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