How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on FTP Server Software5.8#27 of 33
Xlight is a Windows FTP and SFTP server for file transfer, described as portable with low memory and CPU usage.

Pricing
- Personal EditionFree for personal use only · 5 online users · SFTP requires a separate add-on licenseFree
- Standard Edition50 online users · SFTP(SSH2) not included · No ODBC, LDAP, Active Directory, email notifications, or remote administration$39.95 one-time
- SFTP(SSH2) Add-On ModuleOptional SFTP upgrade for Standard or Professional Edition$60 one-time
- Standard Edition + SFTP(SSH2) Add-OnStandard Edition · 50 online users$99.95 one-time
- Professional EditionUnlimited online users · SFTP(SSH2) not included; sold separately$130 one-time
- Professional Edition + SFTP(SSH2) Add-OnProfessional Edition · Unlimited online users$190 one-time
As xftpserver.com lists them, checked 8 Oct 2026.
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