Free and open first
Best Static Analysis Tools in 2026
Static analysis tools help examine source code without running a program, with listed capabilities that can vary by language and development environment. Compare language support and IDE support, then look at security analysis and custom rules to understand the checks each tool offers. CI/CD support and deployment options can be relevant when fitting analysis into a development process. Free plans and paid-from pricing add useful cost context. MATLAB Grader, Infer, and PMD are among the entries, alongside Qodana and Semgrep Code. Consider the languages you use and whether integrations or configurable rules matter for your workflow.
- 38 apps
- Research read 23 Sept 2026
- How the order is worked out
- 1
Cppcheck
Free plan Open source LinuxMacSelf-hosted+1Cppcheck offers core C and C++ analysis for free, with paid licensing adding standards checks and compliance reporting.
- 2
gosec
Free plan Open source APILinuxMac+1gosec offers configurable static security analysis for Go, with several output formats and CI integration options. Teams should review findings because automated detection can flag safe code.
- 3
CodeScene
Free plan APILinuxSelf-hosted+1CodeScene combines code-quality analysis with insight into team knowledge and software delivery.
- 4
DeepSource
Free plan APILinuxMac+3DeepSource combines pull request review with security scans and code-coverage thresholds. Compare the free tier’s monthly allowances with your review volume, and note the annual billing on Team.
- 5
Brakeman
Free plan LinuxSelf-hostedBrakeman focuses on security analysis for Rails code and offers multiple ways to install, report results, and automate scans.
7.4 Visit site - 6
Clang Static Analyzer
Free plan LinuxMacWindowsClang Static Analyzer offers free, self-hosted analysis for three languages, with command-line and potential IDE integration.
- 7
Flawfinder
Free plan LinuxMacSelf-hosted+1Flawfinder 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.
- 8
GitHub CodeQL
Free plan ExtensionLinuxMac+3 - 9
Codacy
Free plan ExtensionWebCodacy brings code review, security scanning, and coding standards into a cloud platform for engineering teams.
- 10
Infer
Free plan LinuxMacSelf-hosted+1Infer offers broad static analysis for several languages, with checks that can follow bugs across files.
- 11
CodeChecker
Free plan APIExtensionLinux+4CodeChecker offers open-source analysis and report management, with integrations for review workflows and an editor extension.
- 12
Coverity Scan
Free plan APIWebChoose Coverity Scan if your registered open source project needs cloud static analysis and its build allowances suit your needs.
- 13
Gitar
Free plan APISelf-hostedWebGitar combines pull request review, CI diagnosis and rule-governed automated fixes.
- 14
PMD
Free plan LinuxMacSelf-hosted+1PMD combines broad language coverage, custom rules, and bundled duplicate detection without a listed price. Check language-specific rule coverage and version support before adopting it.
- 15
Qodana
Free plan APIExtensionLinux+4Qodana combines code analysis, pipeline gates, and multiple deployment options. Its contributor-based licensing minimum is worth factoring into plan selection.
- 16
Joern
Free plan APILinuxMac+2Choose Joern if you need an open-source platform for graph-based code analysis, customizable queries, or CI security scanners.
- 17
PVS-Studio
Free plan LinuxMacWindowsChoose PVS-Studio if your team needs multi-language source analysis, security checks, and integrations with development tools.
- 18
Scrutinizer CI
Free plan APIExtensionWebScrutinizer CI combines build and deployment workflows with code analysis, quality tracking, and browser-based code navigation.
- 19
Understand
Free plan APIExtensionLinux+3Choose Understand if you need static code analysis and navigation across its supported languages, or need command-line, CI, self-hosted or offline workflows.
- 20
SpotBugs
Free plan LinuxMacWindowsChoose SpotBugs if you need free static analysis for Java and want to run it standalone or through a listed build tool or IDE.
- 21
emba
Free plan Linuxemba provides a focused workflow for comparing Boolean model groups and finding network biomarkers. Its required inputs and Linux platform should fit the intended research setup.
- 22
CAST Imaging
Free trial APILinuxSelf-hosted+2CAST Imaging provides application maps, analysis data access, and AI features for teams working with existing software.
6.5 Visit site - 23
Unused CSS Finder
Free plan WebUnused CSS Finder provides useful scan results and cleaned CSS without minifying the output. Its static analysis can miss selectors created at runtime, so results may not cover every page state.
- 24
JArchitect
Free trial APILinuxMac+2JArchitect offers broad Java and JVM analysis with customizable checks, quality reporting, and DevOps connections.
- 25
Black Duck Coverity
Paid LinuxMacSelf-hosted+2Coverity pairs broad language and framework coverage with IDE, source-control, and CI integrations. Teams need to request a quote, and the facts list no free plan.
#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price
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