docker is an open-source project that automates the deployment of applications inside software containers, by providing an additional layer of abstraction and automation of operating-system-level virtualization on Linux.
puppet is an open source configuration management utility. It runs on many Unix-like systems as well as on Microsoft Windows, and includes its own declarative language to describe system configuration.
faraday introduces a new concept (IPE) Integrated Penetration-Test Environment a multiuser Penetration test IDE. Designed for distribution, indexation and analysis of the generated data during the process of a security audit.