Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free

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.

Checkmarx - The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.

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.

Invicti (formerly Netsparker) - Netsparker Security Scanner is a simple-yet-powerful web-based security scanner that automatically identifies XSS, SQL Injection, and all the other vulnerabilities and security flaws in sites, web apps, and web services.