I ended up choosing Unison, which supports Linux, FreeBSD, Windows and AndroidI ended up choosing Unison, which supports Linux, FreeBSD, Windows and Android - the full set of OSs I use on a regular basis.
See - the full set of OSs I use on a regular basishttps://android.stackexchange.com/questions/65691/synchronising-files-over-ssh for my replacement for Unison.