Top 20 open-source products relevant to Code Quality and Code Review

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

Open Source freemium $150.0 / Annually

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.

Open Source

Coveralls is a code coverage history and tracking tool that tests coverage reports and statistics for engineering teams.

Open Source

JSLint is a JavaScript program that looks for problems in JavaScript programs.

Open Source

Mypy is an experimental optional static type checker for Python that aims to combine the benefits of dynamic (or "duck") typing and static typing.

Open Source

Sourcery reviews your code everywhere you work and automatically suggests improvements.

Open Source

Code review as a service.

Open Source paid Free Trial $99.0 / Monthly (for individual developers)

ShellCheck finds bugs in your shell scripts.

Open Source

Enhance your workflow with continuous code quality, SonarCloud automatically analyzes and decorates pull requests on GitHub, Bitbucket, Azure DevOps and GitLab on major languages.

Open Source freemium €10.0 / Monthly (100,000 Lines of Code)

Findbugs is a tool that looks for bugs in Java code. Findbugs finds the bugs by analyzing computer software without actually executing programs. Using this software allows for easy debugging and repairing broken script. Read more about FindBugs.

Open Source

JaCoCo is a free Java code coverage library.

Open Source

Write better code faster.

Open Source freemium $12.0 / Annually (Per User)

Linting and fixing code for all languages.

Open Source

XcodeCoverage is a code coverage tool for Xcode projects.

Open Source

Brakeman is a static analysis security vulnerability scanner for Ruby on Rails applications.

Open Source

Clean Code begins in your IDE with SonarLint - Our free IDE extension that provides on-the-fly analysis and coding guidance. .

Open Source free

SimpleCov is a code coverage analysis tool for Ruby.

Open Source

JSCover is a tool that measures code coverage for JavaScript programs.

Open Source

Code smell detector for Ruby.

Open Source

Automated AI code reviews, tailored to your workflow. .

Open Source freemium $9.0 / Monthly