zFTPServer: The Administrators Dream
Reliability, performance, and ease-of-use
zFTPServer offers best-of-breed solutions for security, reliability and flexibility. As a FTP server, following all relevant standards, zFTPServer offers a wide variety of standard and enterprise level features, such as strong encryption support, security certificates support and an extremely powerful user and group administrations. zFTPServer is also completely clean from any annoying tag-alongs.

Robust architecture and cutting edge technology Heavily threaded, user friendly and secure; in designing zFTPServer, resource allocation (and deallocation), concurrency and reliability have guided the development effort and design from the start. In the continuous development our new features, essentially pushes the boundary of zFTPServer towards becoming a full fledged business integration server, while still retaining its performance and small resource footprint.

1.711.246 downloads and counting
zFTPServer have gained ground over a number of years and is currently used in enterprise level business critical applications as well as by home users across the globe.
News
What's new
2009-Q4   2009-12 : Beryllium has been released
2009-Q4   Added: Support for TFTP
2009-Q4   Services can now be enabled/disabled
(FTP / FTPS / SFTP / TFTP)
2009-Q3   2009-09 : Lithium has been released
2009-Q3   Administration connection is now encrypted if a certificate has been installed on the server
2009-Q3   Major update of SFTP and FTPS routines
- Stability and compatibility improvements
2009-Q2   2009-06 : Helium has been released
2009-Q2   Complete rewrite of logging routines
- Extreme performance increase
2009-Q2   Added: Support for UAC
(Windows Vista and Server 2008)
2009-Q1   2009-03 : Hydrogen has been released
2008-Q4   "Active Directory Integration" now supports Enterprise-level Active Directory setups (e.g. multiple DCs)
2008-Q4   SFTP now supports more clients (e.g. those that do not follow standards)
Screenshots
Main window Configuration window - General Configuration window - Security Configuration window - SSL/TLS Configuration window - Logging to File Accounts window - Home Directory Accounts window - Restrictions