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 Shellcheck or Cppcheck. 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.

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SonarQube alternatives are mainly Code Reviews but may also be Android Development Tools. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of SonarQube.
SonarQube iconSonarQube
  26
  • Freemium • Open Source
  • ...

SonarQube is an open source quality management platform, dedicated to continuously analyze and measure source code quality, from the portfolio to the method. Static code analysis is available in the "Community...

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SonarQube alternatives page was last updated Jan 23, 2025
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Alternatives
  1. SourceMonitor icon

    SourceMonitor

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    The freeware program SourceMonitor lets you see inside your software source code to find out how much code you have and to identify the relative complexity of your modules.

    8 SourceMonitor alternatives

    License model

    • Free • Proprietary

    Platforms

    • Windows
    SourceMonitor screenshot 1

    SourceMonitor Features

    1.  Metrics
    2.  Code Quality

    SourceMonitor VS SonarQube

     
  2. Code Inspector icon

    Code Inspector

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    Code Inspector is a platform that helps developers and managers to deliver better code. Main features:

    • Automated Code Review
    • Historical values of software metrics
    • Evaluation of technical debt
    10 Code Inspector alternatives

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Code Inspector screenshot 1

    Code Inspector Features

    1.  Continuous Integration
    2.  Static Code Analysis

    Code Inspector VS SonarQube

     
  4. VisualCodeGrepper icon

    VisualCodeGrepper

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    VCG is an automated code security review tool that handles C/C++, Java, C#, VB and PL/SQL. It has a few features that should hopefully make it useful to anyone conducting code security reviews, particularly where time is at a premium:

    16 VisualCodeGrepper alternatives

    License model

    • Free • Open Source

    Platforms

    • Windows
    VisualCodeGrepper screenshot 1

    VisualCodeGrepper Features

    1.  C++
    2.  C-sharp

    VisualCodeGrepper VS SonarQube

     
  5. Semgrep icon

    Semgrep

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    Semgrep is a fast, open-source, static analysis tool that excels at expressing code standards — without complicated queries — and surfacing bugs early at editor, commit, and CI time. Precise rules look like the code you’re searching; no more traversing abstract syntax trees or...

    28 Semgrep alternatives

    License model

    • Freemium • Open Source

    Platforms

    • Mac
    • Windows
    • Linux

    Semgrep Features

    1.  Security Testing
    2.  Static Code Analysis
    3.  Static analysis

    Semgrep VS SonarQube

     
  6. Exlint icon

    Exlint

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    Exlint is a an open source project that enables developers to centralize their open source coding standards and policies, so that configuring repositories becomes as easy as typing one command.

    8 Exlint alternatives

    License model

    • Free • Open Source

    Platforms

    • Self-Hosted
    • Software as a Service (SaaS)
    Exlint screenshot 1

    Exlint Features

    1.  Code Quality
    2.  Static Code Analysis

    Exlint VS SonarQube

     
  7. Opengrep icon

    Opengrep

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    We’re excited to introduce Opengrep, an open-source static code analysis engine built to ensure code security testing remains truly open and accessible to everyone. 🚀

    28 Opengrep alternatives

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Linux
    Opengrep screenshot 1

    Opengrep Features

    1.  Static Code Analysis

    Opengrep VS SonarQube

     
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