SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
edX - Best Courses. Top Institutions. Learn anytime, anywhere.
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Geocities Site Builder - Share your abomination with the world
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.