bi-directional file-synchronization tool

[T o n g <mlist4suntong@yahoo.com>]

Hi,

Anyone knows a good bi-directional file-synchronization tool that can 
synchronize changes to files and directories in both directions on 
different hosts, propagating the changes between them?

This is mainly use to synchronize files and directories between my 
notebook and desktop (at home and at work). Any good recommendation?

syrep is too limited, unison seems to be the exact tool that I'm looking 
for, just I want to avoid its dependency (OCaml) if possible.

Thanks

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