1)   WinMerge 2.4.6
WinMerge is a tool for visual difference display and merging, for both files and directories. Unicode support. Flexible syntax coloring editor. Windows Shell integration. Regexp filtering. Side-by-side line diff. Highlights differences inside lines.
diff, merge, text files, differencing, syncronize,

 2)   Radix Reload 8
The Reload turns any computer into a time-traveling machine, enabling smooth, failure-free operation and easy maintenance of a single computer or hundred of computers simultaneously. Traveling into the past and back, was never easier.
recover, recovery, backup, restore, instant, file, files, syncronize, fix, pc-fix,

 3)   CarbonFolder 1.1
CarbonFolder is a fast and simple in use utility for synchronization of data in local folders and folders in local network. The utility features a step-by-step wizard that helps the user to perform the synchronization of data with just a few clicks.
folders, syncronize, automate,

 4)   FTP Synchronization Software 7.0
Synchronize a local folder with a FTP server so that the server is up to date. This software allows you to publish your latest local changes to web sites.
sync, synch, sych, sinc, sink, synk, sych, sychronize, sychrnoize, sycronize,