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Synchromagic 5.0.5.7
Synchromagic Pro is an intelligently designed utility to perform foolproof synchronization of files and directories, either one-way or bi-directionally via local network or FTP, with many useful options
Trial
Inforix 1.0
Inforix is a very useful utility which count size of subdirectories and show the result in foolproof way. It can be called from shell extension of Windows explorer (right button click submenu), from Windows start menu or using command line.