30 alternatives · from linters

Alternatives to PHP_CodeSniffer

17.3

Flake8

Flake8 is a free, open-source Python command-line tool for checking code style and quality on Linux.

Free planOpen sourceAPILinuxmacOS

Free plan

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26.8

PMD

PMD is a free, extensible static code analyzer that checks source code for programming flaws such as unused variables, empty catch blocks, and unnecessary object creation.

Free planLinuxmacOSSelf-hosted

Free plan

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36.6

SwiftLint

SwiftLint is a free, open-source tool for checking Swift code against style conventions.

Free planLinuxmacOSWindows

Free plan

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4
Ruff
Ruff is a free Python linter and code formatter written in Rust.
Free planWebLinuxmacOSSelf-hosted
6.5Free plan
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5
Biome
Biome is a toolchain for maintaining the health of web projects.
Free planWebExtensionLinuxmacOS
6.4Free plan
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6
Cppcheck
Cppcheck is a static analysis tool for C and C++ code.
Free planLinuxmacOSSelf-hostedWindows
6.4Free plan
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7
Hadolint
Hadolint is a free Dockerfile linter that checks files for errors and best practices.
Free planWebLinuxmacOSWindows
6.4Free plan
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8
JSHint
JSHint is a free, community-driven static analysis tool that checks JavaScript code for errors and potential problems.
Free planWebAPIExtensionLinux
6.4Free plan
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9
ShellCheck
ShellCheck is a free static analysis tool for Bash and sh scripts.
Free planWebExtensionLinuxmacOS
6.4Free plan
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10
SQLFluff
SQLFluff is an open source SQL linter designed with ELT applications in mind.
Free planAPILinuxmacOSSelf-hosted
6.4Free plan
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11
actionlint
actionlint is a static checker for GitHub Actions workflow files.
Free planWebLinuxmacOSSelf-hosted
6.3Free plan
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12
Astral
Astral makes open-source developer tools for Python, including Ruff, a linter, and uv, a package and project manager.
Free planLinuxmacOSWindows
6.2Free plan
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13
clang-tidy
clang-tidy is a free, open-source Clang-based linter for C++ that diagnoses programming errors, style violations, interface misuse, and bugs…
Free planLinux
6.2Free plan
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14
Oxc
Oxc is a free collection of JavaScript tools written in Rust for development workflows.
Free planLinuxmacOSWindows
6.2Free plan
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15
Luacheck
Luacheck is a free, MIT-licensed static analyzer and linter for Lua code.
Free planLinuxmacOSSelf-hostedWindows
6.1Free plan
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16
PHPMD
PHPMD is a free tool for inspecting PHP source code for potential bugs, inefficient or overly complex code, and unused parameters, methods, or properties.
Free planLinuxmacOSSelf-hostedWindows
6.1Free plan
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17
Reek
Reek is a free, open-source tool for examining Ruby classes, modules, and methods for code smells.
Free planLinux
6.1Free plan
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18
Checkstyle
Checkstyle is a free tool for checking Java source code against configurable coding rules.
Free planLinuxmacOSWindows
6.0Free plan
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19
cpplint
cpplint is a free command-line tool for developers checking C and C++ source files for style issues against Google’s C++ style guide.
Free planLinuxmacOSWindows
6.0Free plan
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20
detekt
detekt is a free static analyzer for Kotlin that helps identify code smells across Android, JVM, JS, Native, and Multiplatform projects.
Free planLinuxmacOSWindows
6.0Free plan
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21
golangci-lint
golangci-lint is a free, open-source runner for Go linters, with installations documented for Linux, macOS, and Windows and a Docker option.
Free planLinuxmacOSSelf-hostedWindows
6.0Free plan
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22
HLint
HLint is a free tool that flags possible improvements in Haskell source code, such as alternative functions, simplifications and redundant code.
Free planLinuxmacOSWindows
6.0Free plan
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23
pycodestyle
pycodestyle is a free Python checker that evaluates selected conventions from PEP 8.
Free planLinuxmacOSWindows
6.0Free plan
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24
Staticcheck
Staticcheck is a free Go linter that applies static analysis to detect bugs and performance issues, recommend simpler code, and enforce style rules.
Free planLinuxmacOSWindows
6.0Free plan
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25
Stylelint
Stylelint is a CSS linter for finding errors and enforcing coding conventions.
Free planAPILinuxmacOSWindows
6.0Free plan
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26
Credo
Free plan
5.9Free plan
Visit
27
ESLint
ESLint is a free, open-source JavaScript linting utility that statically analyzes code to find problems, and can automatically fix many of them with syntax-aware changes.
Free planAPIExtensionSelf-hosted
5.8Free plan
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28
RuboCop
Free planLinuxSelf-hosted
5.8Free plan
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29
yamllint
Free planLinuxmacOS
5.8Free plan
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30
Clippy
LinuxmacOSWindows
5.7
Visit

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