Cwrsync
cwrsync is a windows port of the the popular rsync tool. Unlike some of the alternatives it does not require a separate installation of cygwin.
<package id="cwrsync" name="cwRsync" revision="20110415.2" priority="10" reboot="false" >
<check type="uninstall" condition="exists" path="cwRsync (remove only)" />
<install cmd='%SOFTWARE%\Utilities\cwrsync\cwRsync_4.0.5_Installer.exe /S' />
<upgrade cmd='%SOFTWARE%\Utilities\cwrsync\cwRsync_4.0.5_Installer.exe /S' />
<remove cmd='"%programfiles%\cwRsync\uninstall.exe" /S' />
</package>