FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
Beyond Compare - Beyond Compare allows you to compare files and folders.
ProFTPD - The Official ProFTPD web site. ProFTPD is a high-performance, extremely configurable, and most of all a secure FTP server, featuring Apache-like configuration and blazing performance.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.