Which is best communication software?

Hi all,

I’ve been struggling to find a reliable communication software for our enterprise setup. We need something that supports real-time chat, voice, and video — preferably with options for self-hosting and customization, since data privacy is a big concern for us.

I came across this blog on the best communication solutions which lists some interesting platforms, including MirrorFly. Has anyone here actually used it in a business environment? Or do you have other recommendations that worked well for your team?

Would really appreciate any honest feedback. This decision is turning out to be a lot harder than I expected.