I've also used a couple of them. Dropbox has also LAN sync (there is a checkbox in preferences) I've used Bittorrent Sync, it was good though except it doesn't work on some linux servers regularly, randomly disconnects.
I'm using Syncthing which someone on BTSync forum suggested. I'm happy with it now. It can also let me set any ports and ip addresses so I can secure my content.
I've also used a couple of them. Dropbox has also LAN sync (there is a checkbox in preferences) I've used Bittorrent Sync, it was good though except it doesn't work on some linux servers regularly, randomly disconnects.
I'm using Syncthing which someone on BTSync forum suggested. I'm happy with it now. It can also let me set any ports and ip addresses so I can secure my content.