Open Source C# Static Code Analysis Tools

Sonar offers a single cohesive solution with a consistent set of metrics and hundreds of static analysis rules to detect your coding issues early. Plus fast and high-precision analysis means high value, low noise, and reliable results always. A single solution for dozens of popular languages, development frameworks and IaC platforms. Our powerful language-specific analysis not only detects coding issues but also helps you understand what's wrong and how to fix it. Our publicly available ruleset includes thousands of rules covering various issue categories and language standards. Open the rule in SonarQube / SonarCloud, scroll down and (in case the rule has parameters), you can configure the parameters for each Quality Profile the rule is part of. Standalone NuGet packages can be configured the same way as SonarLint in connected mode.

Rubberduck aims to bring the VBIDE into this century. Rubberduck understands Classic-VB code like no other add-in, giving it superior static code analysis capabilities that go far above and beyond what is possible with simple text-based analysis. Avoid common pitfalls (some not-so-common) with dozens (100+) of configurable inspections. Gain full control over module and member attributes, create a virtual folder hierarchy, and document modules and procedures, all with special comment annotations. Navigate a Classic-VB project like never before, quickly locating identifier references, interface implementations, and anything else that has a name. Add a full folder structure for organizing your modules. Write code that runs your code and verifies its output is as expected, given controlled inputs. Organize tests into categories, run them directly in the VBIDE, and view results in a dedicated explorer toolwindow.

Detects various security vulnerability patterns. SQL Injection, Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), XML eXternal Entity Injection (XXE), etc. Inter-procedural taint analysis for input data. Continuous Integration (CI) support for GitHub and GitLab pipelines. Stand-alone runner or through MSBuild for custom integrations. Analyzes .NET and .NET Core projects in the background (IntelliSense) or during a build. Works with Visual Studio 2019 or higher. Visual Studio Community, Professional and Enterprise editions are supported. Other editors that support Roslyn-based analyzers like Rider or OmniSharp should work too. Security Code Scan (SCS) is not a Linter. It is a real static analysis tool that does extensive computations. Thus installing it as a Visual Studio extension or NuGet package will slow down your Visual Studio IDE.