[n-exploit]

I have a key for https://once.com/campfire by 37Signals.com, which is an alternative to Slack, that I could offer in-kind to Hack Club - if desired.

It's open source and you own your own data.

[jayroh]

So you know - campfire is now open source.

https://x.com/dhh/status/1963675999012552970

[bibstha]

It's free now, they released it for free in most recent Railsconf.