Best Reek Alternatives & Competitors 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

Codegrip is an automated code review tool that not only provides the user with detailed code review reports but also gives suggested solutions to solve the issues. It is the only automated code review platform that does not store the user's code.

An extensible static analysis linter for the TypeScript language.

Key TSLint features:

TypeScript Support Customizability Community Rules Integration

Useful Online Tools for Programming code Analysts. Refactoring and Obfuscation for Software, Apps and Websites. Automated Code Plagiarism Checking.

free

A Ruby static code analyzer, based on the community Ruby style guide.

Key RuboCop features:

Code Consistency Customizable Automatic Code Correction Integration with CI/CD

Easy ZIP sharing for iPhone.

Key Bundler features:

Dependency Management Gemfile and Gemfile.lock Easy Setup Environment Isolation

SimpleCov is a code coverage analysis tool for Ruby.

Open Source

RSpec is a testing tool for the Ruby programming language born under the banner of Behavior-Driven Development featuring a rich command line program, textual descriptions of examples, and more.

Key RSpec features:

Readable Syntax Behavior-Driven Development Rich Set of Features Active Community

Open Source

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

Open Source

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

Source Insight is a programming editor & code browser with built-in live analysis for C/C++, C#, Java, and more; helping you understand large projects.

Key Source Insight features:

Efficient Code Navigation Real-time Symbolic Analysis Customizable Syntax Formatting Lightweight and Fast

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

Automated code review for Swift.

Key codebeat features:

Automated Code Review Multi-Language Support Integration Code Quality Metrics