Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
CppDepend - Master Your C and C++ Codebase with Precision and Insight
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.
Understand - Combines a powerful Code Editor together with an impressive array of static analysis tools that will change the way you work with code.
Checkmarx - The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab