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.
CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.
edX - Best Courses. Top Institutions. Learn anytime, anywhere.
ESLint - The fully pluggable JavaScript code quality tool
Geocities Site Builder - Share your abomination with the world
SensioLabs Insight - PHP Project Quality Done Right.