We now have a chat room for the smallest of talks! Just kidding. Infodumping is encouraged.
Rather than using Discord, we’ll be using Matrix, which is a FOSS equivalent. It’s pretty intuitive, so signing up shouldn’t be much of a hassle, but let me know if you have any difficulties.
Here’s a list of most Matrix clients: https://matrix.org/ecosystem/clients/
I don’t have an iPhone, so I don’t know what the iPhone equivalent for this is. If you find out, let me know and I will adjust this post and the sidebar.
This post has been added the sidebar.
Not really federated, but more so that the software isn’t owned by a company.
You can chat on different servers, so I’d say it’s federated.