N-stage worm propagated via SSH. It executes commands in a given list of hosts and copies files to them with rsync. The paths for its propagation to the cluster are configurable. It offers a scalable/reliable transport API thanks to its adaptive algorithm
ProxyTerm (pterm) is a simple tool to control console applications running on a remote machine. Unlike in telnet/ssh, applications are not terminated if the connection is shut down, but are kept running for subsequent connections from pterm clients.