this post was submitted on 15 Feb 2026
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I only heard of and became an XMPP user within the last two years, I have no nostalgia for it. I do, however, believe it to be the best federated and encrypted communication platform due to its maturity and constantly improving feature set.
The only other federated option we have is Matrix (which I'm not a fan of for multiple reasons), and in the future Fluxer.app, which looks promising but is very much still alpha/beta software and is reliant on the developer getting enough funding.
Every other Discord-like communication platform is centralized and offers no encryption, which I don't see as a good idea to adopt in our modern political climate. Having a single point of failure is, IMO, just kicking the can down the road until we need to switch to something else again.
Matrix seems closer to me. XMPP has been ignored for 20 years. Fluxer might be good in a few months. Simplex is secure and fairly stable now but not a great discord replacement.
Personally I've had consistent problems with messages not un-encrypting in Matrix, requiring frequent re-sending of messages. I'm also not a fan of how much Metadata is shared across the Matrix network even with encryption, nor am I fan of the group who developed and funded it, or the willingness of the Matrix/Element team to sell their services to law enforcement.
Fluxer does indeed look very promising. If they can effectively pull off federation and encryption as the dev plans to do, I think that could be a great platform. Based on their more in-depth post about their background, they seem to have the talent to pull that off.
SimpleX I don't have any experience with, though as you say, it's covering a different use-case (I personally went with Deltachat for that type of app, which has been working really well).
Yeah matrix needs a refactor or fork. No good drop ins this month.
Simplex already has PQC enabled and makes metadata analysis a nightmare from a protocol level without Tor. Needs more optimization and super peers to fix a group delivery bug but surprisingly stable for something so new.
https://simplex.chat/
I wouldn't really trust a refactor if it was from the Matrix team. An outside fork I'd be okay with, but it'd probably break compatibility to fix the problems I have with it, possibly introducing fragmentation, which could get dicey.
I am 100% cool with a developer coup. The matrix devs are not serious people.
tbh, I feel like it'd be easier to just build up XMPP further at that point since the XMPP devs would welcome that with open arms, as opposed to a hostile fork with the Matrix devs.
It's going to end up decided by whoever gets something good enough for streamers to use professionally first. Maybe XMPP, ive just seen it fail at adoption so many times and matrix seems to be what has the most momentum