Stealth Activity Reporter 

This is a monitoring tool for both networked and personal PCs. It lets companies and individuals track use and abuse easily and invisibly using password-protected encrypted log files. You can deploy this tool using e-mail.
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FolderClone 

FolderClone provides fast, flexible, and easy backup, synchronization, replication, and mirroring of important files on most storage media. Once configured, it monitors the source folders for changes and copies new or changed files to the target.
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