Communifire - Enterprise Social Collaboration Software
FileZilla Server - Download FileZilla Server 0.9.60.2 for Windows
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
vsftpd - Very secure FTP Daemon, a secure, fast FTP server for UNIX systems, including Linux.
DigitalChalk - Online Training Software and Learning Management System (LMS)
Baby FTP Server - The simplest FTP server to setup. No authentication required.