MCollective

Marionette Collective (MCollective) is an orchestration framework built on top of Puppet. It can interact with a large number of servers (using a pub-sub middleware) and can execute jobs in parallel

     

linux windows osx free orchestration ruby

Orc

A model driven orchestration tool for deployment of application clusters

     

linux windows osx open-source provisioning orchestration ruby

Rex

A agent-less server orchestration tool built on Perl

     

linux windows osx open-source orchestration perl