Apps similar to zFTPServer Suite include OpenSSH, which is free and open source. Other options are copyparty, Mosh, FileZilla Server and aShell. FTP Servers like zFTPServer Suite are a crowded field, with more than 25 alternatives for Windows, Linux, Mac, Android and self-hosting.
OpenSSH is a free version of the SSH connectivity tools that technical users rely on. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.
Portable file server with accelerated resumable uploads, dedup, WebDAV, FTP, TFTP, zeroconf, media indexer, thumbnails++ all in one file, no deps.
Norway
Mosh (mobile shell), the mobile SSH replacement. Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes.
United States
FileZilla Server, sister product to FileZilla Client, is an FTP server that supports FTP and FTP over SSL/TLS (FTPS). FTP over SSL/TLS provides secure encrypted connections to the server.
Germany
EU
CrushFTP is a robust file transfer server that makes it easy to setup secure connections with your users.
United States
Fully featured and highly configurable SFTP server with optional HTTP/S, FTP/S and WebDAV support - S3, Google Cloud Storage, Azure Blob.
ItalyEU
ProFTPD is a high-performance, extremely configurable, and most of all a secure FTP server, featuring Apache-like configuration and blazing performance.
This Baby FTP server has only the most necessary features and is yet powerful enough to be a basis for a more complex server.
NetherlandsEU
WinSSHD is our SSH server for all Windows NT-series operating systems. Supported platforms include Windows 2000, XP, 2003, Vista, 2008, and 7. Both 32-bit and 64-bit versions of Windows are supported. Even Windows NT4 is still supported by WinSSHD 4.
United Kingdom
Gene6 FTP Server is an advanced FTP server software for Windows developed specifically for security and high performance requirements. Gene6 FTP Server is a professional Windows FTP Server featuring speed, reliability and customization.
FranceEU
Canada
