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.
Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
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.
Sonar - 2-way chat with your customers over SMS and FB Messenger
ESLint - The fully pluggable JavaScript code quality tool
Teamscale - Drive software quality by data and in a joint effort of all contributors – using our Software Intelligence platform Teamscale.