Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
CSS Scan - Instantly check or copy computed CSS from any element for only ~95$
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.
Hoverify - All-in-one browser extension to improve your web dev experience.
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.
CSS Grab n' Go Editor - Visual editor for learning and quick CSS mocking