DolphinDeploy is a project mainly written in JAVASCRIPT and VISUAL BASIC .NET, it's free.
Dolphin Deploy
Dolphin Deploy provides an approach for deploying .NET based systems.
rake dolphin:deploy[env,server] # Dolphin Deployment rake dolphin:deploy[local,localhost]
This is still a work in progress... Please do not use against production systems. The time will come, just not yet.