How it plugs in
YesPublic API
NoOpen source
YesFree tier
Signal on SSH Server Software6.1#12 of 34
CoreSSH Server is a cross-platform SSH/SFTP server for secure file sharing and shell access.

Pricing
- StarterFREE; single server, perpetual license · Personal or commercial use · Limited support · SFTP hosting · Admin web UIFree
- ProfessionalAnnual subscription; single server · User-specific root directories · Active Directory integration · Priority support$99/yr
- ProfessionalPerpetual license; single server · Priority support · User-specific root directories · Active Directory integration$399 one-time
- EnterpriseEnterprise subscription; custom licensing · Priority support · Encryption at rest · FIPS complianceOn request
As coressh.com lists them, checked 29 Sept 2026.