Bittorrent Sync might be an option. It can create a personal cloud https://www.getsync.com/ I haven't tried it but it does seem to work mostly with folders, not individual files.
Sincerely, David Bigwood dbigw...@hou.usra.edu Lunar and Planetary Institute @LPI_Library Flickr: https://www.flickr.com/photos/lunarandplanetaryinstitute/ Nice planetary imagery.
