Ansible is a radically simple IT automation engine that automates cloud provisioning, configuration management, application deployment, intra-service orchestration, and many other IT needs.
Chef is an open source systems integration framework built to bring the benefits of configuration management to your entire infrastructure. You write source code to describe how you want each part of your infrastructure to be built, then apply those descriptions to your servers.
Rudder is an easy to use, web-driven, role-based solution for Continuous Automation and Compliance. Well established in companies from small to biggest-in-their-field. The biggest known deployment (2016) is about 7000 nodes.
Foreman is an open source project that helps system administrators manage servers throughout their lifecycle, from provisioning and configuration to orchestration and monitoring. Using Puppet or Chef and Foreman's smart proxy architecture, you can easily automate repetitive...
RunDeck is an open source automation service with a web console, command line tools and a WebAPI. It lets you easily run automation tasks across a set of nodes.
A simpler way to manage servers online. Commando.io empowers users to be more efficient, improve their workflow, and eliminate anxiety over server provisioning, maintenance, and deployment. DropBox simplified online storage, GitHub simplified revision control, Commando.