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Free SonarQube Alternatives

The best free alternative to SonarQube is Codacy. It's not free, so if you're looking for a free alternative, you could try Cppcheck or Shellcheck. If that doesn't suit you, our users have ranked more than 25 alternatives to SonarQube and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SonarQube are PhpMetrics, DeepSource, Code Climate and Coverity Scan.

This page was last updated Jun 21, 2022
SonarQube
  23
  • FreemiumOpen Source
  • Mac
  • Windows
  • Linux
  • Online

SonarQube is an open source quality management platform, dedicated to continuously analyze and measure source code quality,...

Learn more about SonarQube

  1. Codacy

    • Free PersonalProprietary
    • Online
    • Self-Hosted
    • Software as a Service (SaaS)

    Codacy automates code reviews and monitors code quality on every commit and pull request reporting back the impact of every commit or pull request, issues concerning code style, best practices, security, and many others.

    Codacy vs SonarQube opinions
    Almost everyone thinks Codacy is a great alternative to SonarQube.

    Measure evaluation of the code quality over time.

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  2. Cppcheck

    • FreeOpen Source
    • Windows
    • Linux
    • PortableApps.com
    • Eclipse

    Cppcheck is an static analysis tool for C/C++ code. Unlike C/C++ compilers and many other analysis tools it does not detect syntax errors in the code. Cppcheck primarily detects the types of bugs that the compilers normally do not detect.

    No screenshots yet


  3. Shellcheck

    • FreeOpen Source
    • Online
    • GNU Emacs
    • Vim
    • Sublime Text
    • Atom
    • Code - OSS (vscode)
    • Visual Studio Code

    A simple tool for finding bugs in shell scripts.

  4. PhpMetrics

    • FreeOpen Source
    • Self-Hosted

    PhpMetrics provides metrics about PHP project and classes, with beautiful and readable HTML report.

  5. DeepSource

    • FreemiumProprietary
    • Online
    • Software as a Service (SaaS)
    • CircleCI
    • Bitbucket
    • GitHub
    • Travis CI
    • GitLab

    Find and fix bug risks, anti-patterns, performance issues, security flaws automatically during code reviews. In addition, DeepSource automatically fixes some of the most commonly occurring issues. It works for Python, Go, Ruby, and JavaScript.



  6. Code Climate

    • FreemiumProprietary
    • Online

    Code Climate consolidates the results from a suite of static analysis tools into a single, real-time report, giving your team the information it needs to identify hotspots, evaluate new approaches, and improve code quality.

  7. Coverity Scan

    • FreemiumProprietary
    • Mac
    • Windows
    • Linux
    • Online
    • BSD

    Coverity Scan Static Analysis allows to find and fix defects in your Java, C/C++ or C# open source project for free.

    No screenshots yet
  8. Landscape (Python)

    • Free PersonalProprietary
    • Online

    Landscape is an early warning system for the Python codebase. It integrates into GitHub, uses the Prospector code analysis tool for Python, and aggregates the analysis results nicely.

  9. Flawfinder

    • FreeOpen Source
    • Windows
    • Linux

    Flawfinder examines source code and reports possible security weaknesses (``flaws'') sorted by risk level. It's very useful for quickly finding and removing at least some potential security problems before a program is widely released to the public.

    No screenshots yet
  10. SensioLabs Insight

    • FreemiumProprietary
    • Online

    SensioLabsInsight is a quality assurance tool that analyzes your source code to find problems that degrade the overall quality of your projects.

Showing 10 of 16 alternatives