I don’t see how it replaces anything without audio & video calls. Doesn’t mattermost already cover this scope…? And a lot of other open source softwares… For me, the rarest and dearest feature is these fixed call channels you have in discord. Matrix and element have them, but their ui is shit. I’m waiting for it to be implemented on Cinny, there is a PR for that.

You were thinking linux windows’like, but did you thought about React OS ?

To my knowledge, Navidrome doesn’t allow music browsing by folder, only by artist/album. I had talked about this with its main dev a few years ago. For me this is a no go…