MySync is still in the Beta stage. Please do not use it in a production environment and make necessary data backups.
supports multiple data sources and destinations
Sync data between local directories and remote storage.
Support bidirectional and incremental sync
Can be used for personal or commercial purposes
Supports many amazing features
Reliable and secure transmission implementation:
Supports the following file sync modes:
Use the following advanced techniques to provide efficient S3 object operations:
Supports the following major S3 providers:
Check out the screenshots below to get a visual of what it looks like.

1. Simple S3 Account configuration (Windows)

2. Simple S3 Sync Job configuration (Windows)

3. Differences view (Windows)

4. Batch file synchronization operations (Windows)g
Have a look at the following resources to learn how to use it