Ansible
A versatile orchestration engine that can automate systems and apps. Instead of a custom scripting language or code, it is very simple and shell based. It is also agent-less, so you can just start using it right away and get things done
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AWSBox
DIY Platform-as-a-Service tool specialized for NodeJS projects with AWS as the backend, and created by Mozilla
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Batou
Batou makes it easy to perform automated deployments. It combines Fabric's simplicty and SSH automation, with Puppet's declarative syntax and idempotence
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Boxstarter
Repeatable, reboot resilient windows environment installations made easy using Chocolatey packages. When its time to repave either bare metal or virtualized instances, locally or on a remote machine, Boxstarter can automate both trivial and highly complex installations. Compatible with all Windows versions from Windows 7/2008 R2 forward.
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Chocolatey
Chocolatey is like apt-get for Windows. It can install packages and dependencies over the command line.
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Djangy
An open source cloud hosting service for Python/Django web applications. Its like an open source Heroku for python/django
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