Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Developed by Jakob Borg
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 user-friendly tool primarily for Windows users that offers flexible synchronization modes and file versioning, making it suitable for local backups. In contrast, Syncthing is a decentralized, real-time synchronization solution that supports multiple platforms and prioritizes security and automatic conflict resolution, making it ideal for users needing continuous file syncing across various devices.