Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free
CodeRush - DevExpress CodeRush for Roslyn uses significantly less memory, works faster, and lets you start Visual Studio faster.
DeepScan - DeepScan is a static analysis tool for JavaScript that helps you to find security vulnerabilities and programming mistakes in your code.
ReSharper C++ - ReSharper provides on-the-fly code analysis and eliminates errors in C#, VB.NET, XAML, ASP.NET, and XML
DeepSource - Automated code reviews with static analysis.
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