The Best C# Static Analysis Tools (Linters/Formatters)
We rank 67 C# linters, code analyzers, formatters, and more. Find and compare tools like Mega-Linter, Teamscale, Semgrep, and more. Please rate and review tools that you've used. This helps others find the best tools for their projects.
11 C# Tools
An analyzer library for C# and VB that uses Roslyn to produce refactorings, code analysis, and other niceties.
A C# architecture test library to specify and assert architecture rules in C# for automated testing.
C# Essentials is a collection of Roslyn diagnostic analyzers, code fixes and refactorings that make it easy to work with C# 6 language features.
An organization for the development of analyzers (diagnostics and code fixes) using the .NET Compiler Platform.
A collection of static analyzers based on Roslyn that integrates with VS.
.NET Compiler Platform ("Roslyn") diagnostic analyzers and code fixes.
A collection of 190+ analyzers and 190+ refactorings for C#, powered by Roslyn.
56 Multi-Language Tools
Mega-Linter can handle any type of project thanks to its 70+ embedded Linters, its advanced reporting, runnable on any CI system or locally, with assisted installation and configuration, able to apply formatting and fixes
Static and dynamic analysis tool supporting more than 25 languages and direct IDE integration. Free hosting for Open Source projects available on request. Free academic licenses available.
A fast, open-source, static analysis tool for finding bugs and enforcing code standards at editor, commit, and CI time. Its rules look like the code you already write; no abstract syntax trees or regex wrestling. Supports 17+ languages.
Reports known vulnerabilities in common dependencies and recommends updated packages to minimize breaking changes
SonarQube is an open platform to manage code quality.
CodeScene is a quality visualization tool for software. Prioritize technical debt, detect delivery risks, and measure organizational aspects. Fully automated.
A (conditionally free for FOSS and individual developers) static analysis of C, C++, C# and Java code. For advertising purposes you can propose a large FOSS project for analysis by PVS employees. Supports CWE mapping, OWASP ASVS, MISRA, AUTOSAR and SEI CERT coding standards.
Better Code Hub
Better Code Hub checks your GitHub codebase against 10 engineering guidelines devised by the authority in software quality, Software Improvement Group.
Deep code analysis - semantic queries and dataflow for several languages with VSCode plugin support.
Roslyn-based implementation of FxCop analyzers.
Quality and Security Static analysis for C/C++, Java and C#.
Commercial Static Code Analysis which generates exploits to verify vulnerabilities.
Commercial Static Code Analysis which doesn't require pre-compilation.
CodeSonar from GrammaTech
Advanced, whole program, deep path, static analysis of C, C++, Java and C# with easy-to-understand explanations and code and path visualization.
Code Analysis to ship Better Code, Faster.
A commercial static analysis platform that supports the scanning of C/C++, C#, VB.NET, VB6, ABAP/BSP, ActionScript, Apex, ASP.NET, Classic ASP, VB Script, Cobol, ColdFusion, HTML, Java, JS, JSP, MXML/Flex, Objective-C, PHP, PL/SQL, T-SQL, Python (2.6, 2.7), Ruby (1.9.3), Swift, Scala, VB, and XML.
Commercial Static Code Analysis system doesn't require building the source code or pre-compilation.
Static code analysis tool for Java,C,C++,C#,Go.
Linter for integrating annotated TODOs with your issue trackers
Creates reports of over 400 rule patterns for feature detection (e.g. the use of cryptography or version control in apps).
HCL AppScan Source
Commercial Static Code Analysis.
Lizard is an extensible Cyclomatic Complexity Analyzer for many programming languages including C/C++ (doesn't require all the header files or Java imports). It also does copy-paste detection (code clone detection/code duplicate detection) and many other forms of static code analysis. Counts lines of code without comments, CCN (cyclomatic complexity number), token count of functions, parameter count of functions.
Facebook's tools for code analysis, visualizations, or style-preserving source transformation for many languages.
Security Code Scan
Security code analyzer for C# and VB.NET. Detects various security vulnerability patterns: SQLi, XSS, CSRF, XXE, Open Redirect, etc. Integrates into Visual Studio 2015 and newer. Detects various security vulnerability patterns: SQLi, XSS, CSRF, XXE, Open Redirect, etc.
Sigrid helps you to improve your software by measuring your system's code quality, and then compares the results against a benchmark of thousands of industry systems to give you concrete advice on areas where you can improve.
Suite of static analysis tools consisting of the three components Sotoarc (Architecture Analysis), Sotograph (Quality Analysis), and Sotoreport (Quality report). Helps find differences between architecture and implementation, interface violations (e.g. external access of private parts of subsystems, detection of all classes, files, packages and subsystems which are strongly coupled by cyclical relationships and more. The Sotograph product family runs on Windows and Linux.
WhiteHat Application Security Platform
WhiteHat Scout (for Developers) combined with WhiteHat Sentinel Source (for Operations) supporting WhiteHat Top 40 and OWASP Top 10.
A linter and formatter to help you to improve copywriting, correct spaces, words, punctuations between CJK (Chinese, Japanese, Korean).
Commercial Static Code Analysis which runs locally, but uploads the results to its cloud for presentation.
CodeIt.Right™ provides a fast, automated way to ensure that your source code adheres to (your) predefined design and style guidelines as well as best coding practices.
Automated SAST code reviews driven by security, supports 15+ languages and includes security training.
Code creation, debugging, navigation, refactoring, analysis and visualization tools that use the Roslyn engine in Visual Studio 2015 and up.
A code formatter for .NET. Preferences will be read from an
.editorconfig file, if present, otherwise a default set of preferences will be used. At this time dotnet-format is able to format C# and Visual Basic projects with a subset of supported
OpenStaticAnalyzer is a source code analyzer tool, which can perform deep static analysis of the source code of complex systems.
Automated Software Testing Solutions for unit-, API-, and web UI testing. Complies with MISRA, OWASP, and others.
Identify vulnerabilities that are unique to your code base before they reach production. Leverages the Code Property Graph (CPG) to run its analyses concurrently in a single graph of graphs. Automatically finds business logic flaws in dev like hardcoded secrets and logic bombs
The free Visual Studio 2015 extension for C# and VB.NET refactorings, including code best practice analyzers.
Roslyn Security Guard
Project that focuses on the identification of potential vulnerabilities such as SQL injection, cross-site scripting (XSS), CSRF, cryptography weaknesses, hardcoded passwords and many more.
Multi-language cloud-based static code analysis. History, trends, security hot-spots, pull request analysis and more. Free for open source.
SonarLint for Visual Studio
SonarLint is an extension for Visual Studio 2015 and 2017 that provides on-the-fly feedback to developers on new bugs and quality issues injected into .NET code.
Static Code Analysis for C/C++, Java, C#, Python, and RPG III and RPG IV versions (including free-form).
Static Reviewer executes code checks according to the most relevant Secure Coding Standards, OWASP, CWE, CVE, CVSS, MISRA, CERT, for 40+ programming languages, using 1000+ built-in validation rules for Security, Deadcode & Best Practices Available a module for Software Composition Analysis (SCA) to find vulnerabilities in open source and third party libraries.
A commercial static analysis platform that allows for scanning of multiple languages (C/C++, Android, C#, Java, JS, PHP, Python, Node.JS, Ruby, Fortran, and Swift).
Tencent Cloud Code Analysis (TCA for short, code-named CodeDog inside the company early) is a comprehensive platform for code analysis and issue tracking. TCA consist of three components, server, web and client. It integrates of a number of self-developed tools, and also supports dynamic integration of code analysis tools in various programming languages.
A fast and accurate static analysis solution for C/C++, C#, Lua codes provided by Tencent. Using GPLv3 license.
Automated Code Analysis for repos on GitHub or BitBucket.
Grep rough audit - source code auditing tool.
Find security vulnerabilities, variants, and critical code quality issues using CodeQL queries over source code. Automatic PR code review; free for open source. Formerly semmle. It supports public Git repositories hosted on Bitbucket Cloud, GitHub.com, GitLab.com.
Code visualization tool that provides code analysis, standards testing, metrics, graphing, dependency analysis and more for Ada, VHDL, and others.