FTP Synchronizer is an FTP sync product that allows you to synchronize files between local computers and remote FTP servers.

Main Features:

Only changed files will be synchronized!
Unlike other software which copy all files every time, even if they are not changed. FTP Synchronizer synchronizes changed files only. It'll save a lot of the bandwidth, and more important, your precious time.(?)
High performance multiple connections file transferring
Uploading/downloading many files at the same time.(?)
Handle different time zone
Synchronize files correctly even if the time zone between local computer and FTP server is different.
File integrity verification by CRC (?)
Supports secure connection. Like SFTP, SSL etc. (?)
Supports proxy/firewall
SOCKS4, SOCKS5, HTTP Proxy, Simply Relay, SOCKS4A, SITE hostname, OPEN hostname, USER user@host. etc (?)
Command line support
Easy to integrate FTP Synchronizer with your business; You can also use your favorite scheduler, e.g. Windows Scheduler, to automate FTP sync and run FTP Synchronizer as a service(?)
Automation. Run profiles automatically
Detects conflict
How about if you modified a same file in both local and remote computer? Most software can NOT handle this, they simply overwrite older files with newer. Please, don't do this! FTP Synchronizer takes care this situation. You can ensure your files will not be overwritten by mistakes! (?)
Inclusion/Exclusion filters
Only synchronize necessary files (?)
Dynamic folder
You can use tags, e.g. %YEAR%, %DAY%, etc, in profile folder. FTP Synchronizer will replace them with real value before sync.
Priority list. Lets you control which files should be synchronized first (?)