"create bootable Live USB drives for Ubuntu and other Linux distributions without burning a CD"

"Free and open source program used for file synchronization. It is available on Windows, Linux and OS X. FreeFileSync works by comparing one or multiple folders on their content, date or file size and subsequently synchronizing the content according to user-defined settings. In addition to supporting local file systems and network shares, FreeFileSync is able to sync to FTP, FTPS, SFTP and MTP devices." (Wikipedia, 2018-01-21)