The xworker_jsch model library is an encapsulation of the model library under www.jcraft.com, mainly encapsulating jsch and jcterm.
jsch is an SSH connection, you can connect to the server to execute remote commands. They are generally encapsulated into actions, and they can be used in actions.
JCTerm is the terminal. After setting the Sessio object, you can open the SSH terminal or SFTP terminal in the XWorker manager. XWorker also wrote a separate application, it is xworker.net.jsch.swt.JCTermWorkbench.