Core FTP Server Basic, Standard, Business, and Enterprise

Basic. 10 users /1 domain

Standard. 50 users /2 domains

Business. 250 users /10 domains, and ODBC support

Enterprise. Unlimited users / 100 domains, and ODBC support

All versions run all available protocols: FTP, FTPS/SSL/TLS, HTTPS, and SSH2/SFTP.