WinDataReflector is a Free and Portable File Synchronization and Backup Software created by Veridium. It can be used to Backup and Synchronize Folders. Features include visual comparison of files, run multiple synchronize/backup tasks at once, ability to Schedule backups or synchronizations or perform them instantly.
Free File Sync
ZBack is a Portable Free Backup and Synchronization Software Utility created by David Zorc, Zagreb, Croatia. ZBack can be used to Synchronize, Mirror or Backup directories, files or entire drives. ZBack works between USB, internal or external, and mapped network drives. This Freeware backup utility is portable and sports filtering, automated batch, simple sync, simple …
Allway Sync n Go is a Free File Backup and Synchronization Software Tool. This Portable App can be used to synchronize file and folder data between desktop computers, laptops, USB devices etc. Features include the ability to analyze and sync data within two selected paths, sync direction, multiple jobs, sync multiple folders and, multilingual support.