Time to try out rocket.chat. It's not encrypted and isn't federated, but if it provides an experience that's close enough to Discord then it's good.
I was actually trying to install rocket.chat just now and realized that it uses Web Scale Mongo Dee Bee, so yeah, that gets a hard no too...

bleh.

Is there seriously no good chat platform (other than XMPP)?
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@ao What is wrong with MongoDB? Actually let me look it up...

[SFX CUE: HORRIFIED SHRIEKS]

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HoleNet Services

holenet.services is one server in the network