@prologic@twtxt.net Discord has a highly efficient core design. IRC-like text channels and Mumble-like voice channels (+video/screen sharing), all in one hierarchy, with a good permissions system tying it all together. There’s also a DM system and you can add people to a simple group chat. All of that technology was available before Discord, but I think they were the first to stitch it all together in a coherent, intuitive manner.
I used Discord for several years, but I finally broke away from it entirely about a year ago. The only Free alternative other than Matrix that comes close, at least that I know of, is Revolt. I have several gripes about the project, though, that I won’t dive into right now. There won’t be federation, for one.
@mckinley@twtxt.net and fosscord