Wtf that's huge, right?
Matrix
An open network for secure, decentralized communication
Absolutely enormous as far as I can see. The Matrix devs understandably spend a lot of their time on the protocol and backend, so getting more dedicated user client side devs is pretty critical. Most people go to Discord for the features it offers, and Element just progresses really, really slow towards feature parity.
As far as I'm aware, rocket.chat were previously considered a competitor, so I'd say yes.
rocket.chat
[rocket.chat] is building its new federation capabilities on the Matrix protocol
Sigh… why is XMPP always forgotten?
At least this means folks can focus on bridging XMPP<->Matrix, instead of having to support another flavour of JSON soup too...
Don't think it's forgotten as much as it's intentionally left to the side, like IRC. It's showing it's age