Buglife - Seriously awesome bug reporting for iOS apps
Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
Highlight - "Highlight" physical books through conductive pages 📖✨
HCL AppScan - HCL Software Site
Sonar by Facebook - Extensible mobile app debugging for iOS and Android
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.