FREEDOM251

Freedom251 › Developer Tools

Free and open first

Best C and C++ Static Analysis Tools in 2026

For C and C++ code, static analysis tools can be compared by the types of potential issues they check. The ranked entries begin with CBMC, CodeChecker and Infer. Look at coding-rule checks, memory defect detection and concurrency analysis, along with security analysis and taint analysis, to compare coverage. MISRA support may matter for projects with that requirement. Free-plan availability and paid-from pricing offer cost context alongside these capabilities. Consider which checks are relevant to your code and what you need from an analysis tool.

  1. 1

    Semgrep Code

    Free plan Open source APIExtensionLinux+4

    Semgrep Code pairs static analysis with AI analysis and remediation guidance for findings.

    8.6 From $15/user/mo Visit site
  2. 2

    CBMC

    Free plan LinuxMacWindows

    CBMC provides program checks and test generation as a free command-line tool.

    7.5 Free plan Visit site
  3. 3

    Clang Static Analyzer

    Free plan LinuxMacWindows

    Clang Static Analyzer offers free, self-hosted analysis for three languages, with command-line and potential IDE integration.

    7.5 Free plan Visit site
  4. 4

    CPAchecker

    Free plan LinuxMacSelf-hosted+1

    CPAchecker provides a focused set of configurable program-verification capabilities, with multiple installation routes and supporting documentation.

    7.5 Open source Visit site
  5. 5

    Flawfinder

    Free plan LinuxMacSelf-hosted+1

    Flawfinder offers risk-ranked checks for C/C++ source with several report formats and a patch-focused option. Treat it as an aid to security review, not a complete vulnerability detector.

    7.5 Free plan Visit site
  6. 6

    GitHub CodeQL

    Free plan ExtensionLinuxMac+3
    7.4 Free plan · paid from $30/mo Visit site
  7. 7

    CodeChecker

    Free plan APIExtensionLinux+4

    CodeChecker offers open-source analysis and report management, with integrations for review workflows and an editor extension.

    7.3 Open source Visit site
  8. 8

    Infer

    Free plan LinuxMacSelf-hosted+1

    Infer offers broad static analysis for several languages, with checks that can follow bugs across files.

    7.3 Free plan Visit site
  9. 9

    Qodana

    Free plan APIExtensionLinux+4

    Qodana combines code analysis, pipeline gates, and multiple deployment options. Its contributor-based licensing minimum is worth factoring into plan selection.

    7.1 Free plan · 30-day trial Visit site
  10. 10

    Frama-C

    Free plan LinuxMacWindows

    Frama-C offers several complementary analysis approaches for C, from runtime-error detection to contract-based proof and runtime checking.

    7.0 Free plan Visit site
  11. 11

    PVS-Studio

    Free plan LinuxMacWindows

    Choose PVS-Studio if your team needs multi-language source analysis, security checks, and integrations with development tools.

    7.0 Pricing on request · 7-day trial Visit site
  12. 12

    Understand

    Free plan APIExtensionLinux+3

    Choose Understand if you need static code analysis and navigation across its supported languages, or need command-line, CI, self-hosted or offline workflows.

    6.9 Free plan · paid from $100/user/mo (annual) Visit site
  13. 13

    Ultimate Automizer

    Free plan LinuxWebWindows

    Pick Ultimate Automizer if you need a free model checker for verifying C programs and want a web interface or Windows and Linux command-line releases.

    6.5 Free plan Visit site
  14. 14

    CppDepend

    Free trial LinuxMacWindows

    CppDepend combines code visualization, extensive rules, metrics, integrations, and technical-debt tracking in one self-hosted platform.

    6.3 From $599/user · 14-day trial Visit site
  15. 15

    LDRA Tool Suite

    Free trial LinuxMacSelf-hosted+1

    Consider LDRA Tool Suite if your development work needs traceable verification, structural coverage analysis, and support for the standards it lists.

    6.1 Pricing on request Visit site
  16. 16

    Imagix 4D

    Free trial LinuxWindows

    Imagix 4D combines code visualization, static analysis, documentation, and compiler or build-log integrations for complex software.

    5.9 Pricing on request · 15-day trial Visit site
  17. 17

    Astrée

    Paid LinuxWindows

    Astrée covers a broad range of static-analysis needs, from run-time errors to concurrency and coding rules. Buyers should confirm pricing and license capacity for their team before choosing it.

    5.5 Pricing on request Visit site
  18. 18

    Fortify Static Code Analyzer

    Paid LinuxSelf-hostedWindows

    Choose Fortify Static Code Analyzer if your team needs static vulnerability analysis across the listed languages, application types, and vulnerability categories, with AI insights and automated fix…

    5.4 Pricing on request Visit site
  19. 19

    Axivion Suite

    Paid LinuxMacWeb+1
    5.2 Pricing on request Visit site
  20. 20

    TrustInSoft Analyzer

    Paid LinuxMac

    Choose TrustInSoft Analyzer if your team needs formal static analysis for C, C++, or Rust and works in a safety- or security-focused field.

    5.1 Pricing on request Visit site
  21. 21

    SeaHorn

    Paid LinuxMacSelf-hosted

    Choose SeaHorn for research-oriented verification of C and other LLVM-based programs, especially when its model-checking and invariant-analysis components fit your workflow.

    5.0 Open source Visit site
  22. 22

    Klocwork

    Paid LinuxWebWindows

    Choose Klocwork if your team needs source code analysis with pull request scans, IDE and CI/CD integration, custom rules, or automated fixes.

    4.6 Pricing on request Visit site
  23. 23

    Polyspace

    Paid LinuxMacWeb+1

    Polyspace brings code analysis and development workflow support together for teams using C, C++, or Ada.

    4.6 Pricing on request · 30-day trial Visit site
  24. 24

    Perforce QAC (formerly Helix QAC)

    Paid LinuxWebWindows

    Perforce QAC lists security analysis for three languages alongside IDE, CI/CD, and custom-rule support.

    4.5 Pricing on request Visit site
  25. 25

    Parasoft C/C++test

    Paid LinuxWindows

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

More in Developer Tools