I've already saw people suggesting Syncthing (now Ind.ie Pulse) as an alternative to Dropbox and BitTorrent Sync. Does anybody has more experience with it? I me

I've already saw people suggesting Syncthing (now Ind.ie Pulse) as an alternative to Dropbox and BitTorrent Sync. Does anybody has more experience with it? I mean how mature it is and what are the pros/cons of it?