SSH Tunnel Manager is a front-end for the ssh command when used to open tunnels between two hosts. Those command lines are particulary long and confusing, especially for novices, and I never remember which argument comes first, if I have to open local or remote tunnels and so on… That’s why I wrote this tool.
Link to share this: https://www.gabrielserafini.com/blog/2005/02/21/ssh-tunnel-manager-for-os-x/