https://www.luminescence-software.org:443/en/echosync/about/
About Echosync - File Sync Tool | Lumisoft
Discover Echosync, a free, fast, and portable software for differential file synchronization on Windows and Linux.
file syncechosynctool
https://www.luminescence-software.org:443/en/echosync/support/
Echosync Support - Help and Contact | Lumisoft
Need help with Echosync? Contact technical support, report a bug, or suggest an improvement for the synchronization software.
help and contactechosyncsupport