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




There are many alternatives to Uranium Backup for Windows if you are looking for a replacement. The best free Windows alternative is FreeFileSync, which is also Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Uranium Backup and loads of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to Uranium Backup are Duplicati, GoodSync, SyncBack and IDrive.
Open-source software for syncing and backing up files across Windows, macOS, and Linux by transferring only essential data.




Duplicati stores encrypted, incremental backups with AES-256 encryption and GPG, compatible with Windows, Linux, MacOS. Supports cloud services like OneDrive, Google Drive, and includes a built-in scheduler, auto-updater. Run backups through a web interface or command line.




A comprehensive solution for file synchronization and backup, GoodSync allows seamless and real-time file sync across desktops, mobiles, and cloud services directly, bypassing third-party servers. Ideal for both personal and professional needs.




SyncBack allows for backing up, synchronizing, and restoring files on Windows. It offers a free version, SyncBackSE and Pro for more features, including local networks and cloud backups. Ideal for individuals and large organizations like hospitals, ensuring data protection and recovery.



Secure cloud backup supporting iPhone, Android, Windows, and more. Featuring quick backups, 256-bit encryption, data protection, and full remote management with file recovery and archiving options.




Toucan is a small portableapp utility allowing you to synchronise, backup and secure your data with more options than the built in suite utilities. It is split up into 7 tabs, allowing you to easily find the function that you want.


SyncToy is a free PowerToy designed by Microsoft, that provides an easy to use graphical user interface that can automatically synchronize local or network files and folders, but not WebDAV-, "Windows Mobile" files or folders and no triangle-sync as only Allway Sync...

Synkron is an application for folder synchronisation and folder-backups that allows you to configure your synchronisations in detail. Despite having many features, the user interface of Synkron is very user-friendly and easy to use.




Paragon Backup & Recovery is an advanced backup and recovery software. You may backup files, volumes and disks entirely or pick one at a time. Select the OS partition, and you get all the necessary boot partitions. If your operating system crashes, you can recover it easily.




DirSync Pro is a small, but powerful utility for file and folder synchronization. Java JRE 1.7 or above is needed to run DirSync Pro.




Areca Backup is a file backup software which can be run on Windows or Linux. It creates backup copies (which can be encrypted and compressed) of your files and stores them on external drives, USB keys, FTP servers, supporting incremental, differential and full backups.



