SSH for OpenVMS
SSH by SSH Communications Security is now bundled
into HP OpenVMS TCP/IP Services V5.4 and later. Server & client.
Proprietary, binary-only. ssh protocol v. 2.0 & 1.5.
SSH server by David Jones for OpenVMS. Source only. Free-usage licence. ssh protocol v. 1.5.
BAMSE by Richard Levitte is an intended replacement for his earlier FISH client (which see), adding sufficient modularity to add port forwarding, X11 forwarding, and SSH2. Prereleases will soon (2007) be available. Licence thus far unstated. ssh protocol 2.0 & 1.5.
FISH by Christer Weinigel & Richard Levitte Binary & (sometimes) source client. Proprietary, as it's a port of Top Gun SSH (which lacked explicit licence terms, and was thus proprietary by default). ssh protocol v. 1.5.
Process Softare SSH for OpenVMS. Binary-only client and server, including scp/sftp. Proprietary licence. ssh protocol v. 2.0 & 1.5.