Reviews of some file synchronizers

The followings are the reviews of several open source file synchronizers which I tried.

WebSynchronizer - Can work with network, FTP, etc. Delete the files to recycle bin, does not have backup. Use the synchronisation in order to delete the destionation file, but the source folder will download the newest file. Not very easy to use.

JFileSync - Interface is not good, cannot copy the hidden file as hidden file at the target, do not delete the file in recycle bin.

DirSync Pro - Cannot synchronise the hidden file in the destination.

FreeFileSync - The interface can only create one task. It can also create batch job, but run in commandline.

Synkron - Can only sync, but not one way synchronisation.