KDE is ready to deprecate IRC, XMPP, and Telegram in favor of Matrix
mail.kde.org
mail.kde.org
One app to install on any device, any OS, including Linux, and all my messages appear, SMS included. What's not to love?
Why don't you use a password manager in 2023 instead of being forced to remember things?
Here it is: https://github.com/spantaleev/matrix-docker-ansible-deploy
I am not bothered by running The Lounge + ZNC and having to use Matrix for everything else.
EDIT: I don't like this push for Matrix everywhere and essentially only having Matrix as the means of contact for open source projects. I installed Dendrite (lightweight golang homeserver) on my cheap VPS and I realized that federation is a big no-no for me, Matrix uses a LOT of resources for federation.
You could argue the same thing about their Facebook Page, Twitter, LinkedIn, Reddit, YouTube, VK and Instagram.
There's a reason that some FOSS projects succeed whilst others fail. They live and die by their communities.