Mussh allows you to execute a command or script over SSH on multiple hosts with one command. When possible, it will use ssh keys to minimize the need to enter your password more than once.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
A new feature allows users to use default or forced login names on the
command-line, overriding those stated in host files. A bug in the "Uniquify"
option was fixed. The program no longer hangs with StrictHostKeyChecking=ask.