FreeFileSync is a free open source backup software which helps you compare and synchronize files and folders on Windows, Linux and macOS. Developed by Zenju
License: Open Source
SyncToy is a freeware tool in Microsofts PowerToys series that provides an easy-to-use graphical user interface for synchronizing files and folders in Windows versions XP, Vista and 7. It is written using Microsofts .NET framework and uses the Microsoft Sync Framework. Developed by Microsoft
License: Free
SyncToy is a simple, user-friendly synchronization tool ideal for basic syncing tasks on Windows, but lacks advanced features and cross-platform support. In contrast, FreeFileSync offers a more comprehensive set of features including real-time synchronization, versioning, and cross-platform compatibility, making it suitable for more complex synchronization needs.