...See wiki page for additional information:
https://sourceforge.net/p/filebasedbackup/wiki/Home/
The project is work in progress. Main backup script is functional, but i have taken a break from adding features to the main program to build a GUI in Tkinter.
Cyclone is an easy to use, one- or two-way synchronization tool. It use a clean command-line interface. It aims to be compact (less than 10 Ko) and cross-platform (as it is coded in standard python).