1)   FolderClone Professional Edition 1.6.2
FolderClone Pro 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 targe

 2)   Back2zip version: 125.50a
Don't wait until your data is gone! Back2zip uses the industry's most powerful ZIP and ZIP-64 technologies to constantly monitor your documents and make sure that they are always properly backed up.

 3)   12Ghosts 2ndFolder 7.10
Creates copies of complete folder structures. A new destination name is created automatically by adding the date and time. This way you may backup a complete folder easily with just one click, and keep several versions of the same folder.