JetBrains TeamCity - TeamCity is a continuous integration and build management system.
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
Buildbot - Python-based continuous integration testing framework
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Django - The Web framework for perfectionists with deadlines