Jepesi gives your bash tools a swing interface very easily! Jepesi is a java tool/framework which handles an ssh connection to remote host(s) and lets you build a swing interface for your bash tool/script. 3 addons included!
DotNetSSH is a pure .NET implementation of the SSH2 client protocol suite. DotNetSSH development is alive and active. DotNetSSH is a fork of Tamir's excellent SharpSSH, itself is a port of JCraft's java Jsch.