In Rebex SSH Pack you'll get all Rebex .NET libraries related to SSH. It includes:

Client

SFTP and SCP client library
SSH Terminal Emulation client
Telnet Terminal Emulation client

Server

SSH server component
SFTP server component

Protocols

Client
SFTP - SSH File Transfer Protocol
SSH Tunneling
SSH Shell with terminal emulation
Telnet protocol with terminal emulation
Server
SFTP
SSH

SFTP Tutorial
Terminal Emulation Tutorial
Additional info

Royalty free
C# and VB.NET samples
One year of free updates
No open source code used
100% managed C# code
Features and sample code

SFTP and SCP
SSH Terminal Emulation

Only for V.I.P