IronFTP is a highly flexible commercial-grade FTP server for use by anyone from individuals to global corporations. IronFTP features an NT service based server application combined with a very high quality administration console. IronFTP has many features including Group based security, virtual file systems, multiple concurrent servers, S/Key security, anti-hammering technology, custom messages, folder level permissions and much more.

The license of this software is Free Trial Software, the price is $39.95, you can free download and get a free trial.