Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.
Cost / License
- Freemium
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Flathub
- PortableApps.com
- Chocolatey




The best open source alternative to OneWaySynchronize is FreeFileSync. If that doesn't suit you, our users have ranked more than 10 alternatives to OneWaySynchronize and five of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to OneWaySynchronize are rsync, RsyncOSX, Kup Backup System and lsyncd.
Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




rsync is a software application for Unix which synchronizes files and directories from one location to another while minimizing data transfer using delta encoding when appropriate. An important feature of rsync not found in most similar programs/protocols is that the mirroring...



Kup is created for helping people to keep up-to-date backups of their personal files. Connecting a USB hard drive is the primary supported way to store files, but saving files to a server over a network connection is also possible for advanced users.



