GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
SolarWinds Serv-U - SolarWinds Serv-U is a web-based, secure file transfer solution.
FreeFileSync - FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
rsync - rsync is a file transfer program for Unix systems. rsync uses the "rsync algorithm" which provides a very fast method for bringing remote files into sync.
SFTP To Go - Trusted by over 1,000 companies of all sizes, verticals and geographies, SFTP To Go is a fully managed, secure, and user-friendly cloud-based storage and sharing solution with SFTP/FTPS/S3/HTTP file access.