Open source FTP clients

Cyberduck

Cyberduck is an open source FTP, SFTP, WebDAV, Mosso Cloud Files and Amazon S3 browser for the Mac. (GPL)

MAC OS X - Windows

FileZilla

FileZilla Client is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive interface. (GPL)

Linux - FreeBSD - Windows - MAC OS X

net2ftp

net2ftp is a web-based FTP client written in PHP. (GPL)

Cross-platform

WinSCP

WinSCP is an open source SFTP client and FTP client for Windows (GPL)

Windows

4 applications