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 Codacy or Shellcheck. If that doesn't suit you, our users have ranked more than 25 alternatives to SonarQube and 18 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SonarQube are Coverity Scan, Flawfinder, SAST Online and Code Climate.

More about SonarQube
Copy a direct link to this comment to your clipboard
SonarQube alternatives page was last updated

Alternatives list

  1. Codacy icon

    Codacy

     25 likes
    Copy a direct link to this comment to your clipboard

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

    49 Codacy alternatives

    Cost / License

    • Free Personal
    • Open Source

    Platforms

    • Online
    • Self-Hosted
    • Software as a Service (SaaS)
    Codacy screenshot 1
     
    |
    1
    14
    Comments about Codacy as an Alternative to SonarQube
    Guest
    Positive
    1

    Measure evaluation of the code quality over time.

    Review by a new / low-activity user.
    SonarQube Icon
    Codacy icon

    • Almost everyone thinks Codacy is a great SonarQube alternative.

    • Codacy is the most popular Web-based, SaaS & Self-Hosted alternative to SonarQube.

    • Codacy is the most popular Open Source & free alternative to SonarQube.

    • Codacy is Free Personal and Open SourceSonarQube is Freemium and Open Source
  2. Shellcheck icon

    Shellcheck

     5 likes
    Copy a direct link to this comment to your clipboard

    A simple tool for finding bugs in shell scripts.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Online
    • Visual Studio Code
    • Vim
    • Sublime Text
    • GNU Emacs
    • Atom
    Shellcheck screenshot 1
     
  4. Cppcheck icon

    Cppcheck

     23 likes
    Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
    • PortableApps.com
    • Eclipse
    Cppcheck screenshot 1
     

    • Cppcheck is the most popular Windows & Linux alternative to SonarQube.

    • Cppcheck is Free and Open SourceSonarQube is Freemium and Open Source
    • Cppcheck is LightweightSonarQube is not according to our users

  5. Coverity Scan

     4 likes
    Copy a direct link to this comment to your clipboard

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

    17 Coverity Scan alternatives

    Cost / License

    • Freemium (Pay once)
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • BSD
     

    • Coverity Scan is the most popular Mac alternative to SonarQube.

    • Coverity Scan is Freemium and ProprietarySonarQube is Freemium and Open Source
  6. Flawfinder icon

    Flawfinder

     3 likes
    Copy a direct link to this comment to your clipboard

    Flawfinder examines C/C++ 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.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
     
  7. SAST Online icon

    SAST Online

     1 like
    Copy a direct link to this comment to your clipboard

    SAST Online has come a long way from its beginnings for Global. SAST online targeted to analyse your code without installing or opening terminal.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    SAST Online screenshot 1
     
  9. Code Climate icon

    Code Climate

     5 likes
    Copy a direct link to this comment to your clipboard

    Code Climate’s engineering process insights and automated code review for GitHub and GitHub Enterprise help you ship better software, faster.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    Code Climate screenshot 1
     
  10. SensioLabs Insight icon

    SensioLabs Insight

     1 like
    Copy a direct link to this comment to your clipboard

    SensioLabsInsight is a quality assurance tool that analyzes your source code to find problems that degrade the overall quality of your projects. It can analyze any application developed with PHP, but it's specially designed to perform advanced analysis of Symfony2...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    SensioLabs Insight screenshot 1
     
  11. PhpMetrics icon

    PhpMetrics

     1 like
    Copy a direct link to this comment to your clipboard

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

    Cost / License

    • Free
    • Open Source

    Platforms

    • Self-Hosted
    PhpMetrics screenshot 1
     
  12. Landscape (Python) icon

    Landscape (Python)

     2 likes
    Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free Personal
    • Proprietary

    Platforms

    • Online
    Landscape (Python) screenshot 1
     
  13. DeepSource icon

    DeepSource

     1 like
    Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • CircleCI
    • Bitbucket
    • GitHub
    • Travis CI
    • GitLab
    DeepSource screenshot 1
     
  14. Codegrip icon

    Codegrip

     Like
    Copy a direct link to this comment to your clipboard

    Codegrip is an automated code review SaaS platform that helps developers to save time in code reviews and to tackle technical debt efficiently.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
    Codegrip screenshot 1
     
12 of 18 SonarQube alternatives