Server software for file transfer using FTP and FTP/SSL protocols.

BulletProof FTP ServerFTP server for Windows
Cerberus FTPFTP server for Windows
CompleteFTPFTPS/SFTP/SCP/SSH server from EnterpiseDT
Core FTP serverFTP server for Windows
CouchdropThe simple cloud SFTP/FTP/Rsync server and API that works with cloud storage like Dropbox.
CrushFTPFile transfer server with support for SFTP, SCP, FTPS and HTTPS.
FileZilla ServerOpensource FTP server. Windows only.
freeFTPdFTP server for Windows
FTPShell ServerSSH and SFTP server for Windows
gIFTPdGreyLine File Transfer Protocol Daemon. Opensource, cross-platform
GlobalScape EFTManaged File Tranfer Software with FTP support
JScape MFT ServerMFT server with FTP support written in Java
Microsoft IISFTP subsystem of Microsoft Internet Information Server that is part of Windows.
ProFTPDopensource, cross-platform
Provide serverA file server solution with SFTP support in some editions.
Pure-FTPdopensource, cross-platform
Raiden FTP ServerFTP server for Windows
Serv-U MFT ServerAlso know as Solarwinds Serv-U MFT server. Serv-u was purchased by Solarwinds in 2012
SFTPGoOpensource SFTP server with several storage plugins for Linux, macOS and Windows written in Go.
SFTPPlusMFT server with support for SFTP, SCP, FTPS and HTTPS on Windows, Linux & UNIX
SyncplifySSH2, SFTP and FTPS server
Sysax ServerFTP and SFTP server for Windows
Titan FTP ServerSFTP, FTP/SSL and FTP server for Windows
VanDyke VShell ServerSSH2/SFTP/FTPS file transfer server for Windows, Linux & Mac with fine-grain access control and configuration.
vsftpdopensource, cross-platform
Wing FTP ServerFTP server for Windows
WS_FTP ServerFTP server for Windows
XlightWindows FTP and SFTP Server