Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Django - The Web framework for perfectionists with deadlines