Nomad Project - Easily deploy applications at any scale.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Caylent - Fully managed Docker Swarm in your own cloud.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Ansible for DevOps - Server and configuration management for humans
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.