Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
GitKraken - The intuitive, fast, and beautiful cross-platform Git client.
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.
Tower - Build Better Software. Over 100,000 developers and designers are more productive with Tower - the most powerful Git client for Mac and Windows.
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.
Working Copy - The powerful Git client for iOS