Best Code Analysis Products in 2025

SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.

Key SonarQube features:

Comprehensive code analysis Multi-language support Continuous integration (CI) integration Customizable rules

Open Source freemium $150.0 / Annually

The fully pluggable JavaScript code quality tool.

Key ESLint features:

Customization Extensibility Community Support Integrations

Open Source

An opinionated code formatter.

Key Prettier features:

Consistency Time-saving Integrations Language Support

Open Source

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Key Codacy features:

Comprehensive Code Analysis Supports Multiple Languages Integration with CI/CD Pipelines Customizable Analysis

The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.

Key Checkmarx features:

Comprehensive Coverage Integration Capabilities Customization User-Friendly Interface

Find and fix defects in your Java, C/C++ or C# open source project for free.

Key Coverity Scan features:

Comprehensive Analysis Wide Language Support Integration with Development Workflow Actionable Reports

Snyk helps you use open source and stay secure. Continuously find and fix vulnerabilities for npm, Maven, NuGet, RubyGems, PyPI and much more.

Key Snyk features:

Ease of Use Comprehensive Vulnerability Database Automated Fixes CI/CD Integration

Open Source

Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.

Key CodeClimate features:

Automated Code Review Extensive Integrations Detailed Reporting Team Collaboration

Open Source

Veracode's application security software products are simpler and more scalable to increase the resiliency of your application infrastructure.

Key Veracode features:

Comprehensive Security Coverage Scalability Ease of Use Integration Capabilities

Cppcheck is an analysis tool for C/C++ code. It detects the types of bugs that the compilers normally fail to detect. The goal is no false positives. CppCheckDownload cppcheck for free.

Key Cppcheck features:

Open Source Static Analysis Wide Platform Support Integrated with IDEs

Open Source

Pylint is a Python source code analyzer which looks for programming errors.

Key PyLint features:

Extensive Error Checking Customizability Integration with Development Tools Code Quality Metrics

ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.

Key ReSharper features:

Code Quality Analysis Code Generation Refactoring Navigation and Search

Diff Text is an online diff text tool.

free