Open Source Server Operating Systems FTP Clients

WinSCP is a popular free SFTP and FTP client for Windows, a powerful file manager that will improve your productivity. It offers an easy to use GUI to copy files between a local and remote computer using multiple protocols: Amazon S3, FTP, FTPS, SCP, SFTP or WebDAV. WinSCP can copy files between two local folders too. Power users can automate WinSCP using .NET assembly. WinSCP is available in English and many other languages.

FileZilla® is a cross-platform FTP, SFTP, and FTPS client with a vast list of features, which supports Windows, Mac OS X, Linux, and more. FileZilla's dynamic tools help you move files between your local machine and your Web site's server effortlessly. For example, Filezilla lets you compare your files with in-directory server files to manage file syncing. You can also tab browse between servers and transfer files to them simultaneously, as well as edit server files on the go. And Filezilla is available in 47 languages worldwide!

cmdftp is a command line FTP client for Unix systems that features shell-like functions, passive mode, local and remote transparent modes, broken connection resumption, multiple and recursive file transfers, auto-login, and large file support.

Ftp client library (framework) for .Net written in C#, download upload, resume, create directory recursive, events

Project of the Month for the Syllable operating system. The first month's project is an FTP client, currently under development.

FTP Client for .Net Compact Framework based PocketPCs. An Adressbook and Resume Downloads functionality is integrated.