Best Linters in 2026

JSHint suits JavaScript developers who want configurable checks for syntax errors and common code problems.

actionlint suits developers who maintain GitHub Actions workflows and want syntax, expression, validation, and security checks.

PMD suits developers and teams who want static checks and duplicate-code detection in their build or CI workflows.

Biome

Biome suits teams working on web projects that want formatting, linting, and import organization in a single toolchain.

Astral

Astral suits Python developers looking for free, permissively licensed tools for linting and package or project management.

It suits programmers and teams writing Java to a defined coding standard.

SwiftLint suits Swift developers who want configurable style checks in local development, Xcode or Swift Package Manager workflows, or CI.

Hadolint suits developers and teams reviewing Dockerfiles locally, in editors, pre-commit checks, or CI pipelines.

detekt

detekt suits Kotlin developers who want configurable static analysis in builds, IDEs, or CI.

golangci-lint

It suits Go developers who want configurable linting across editors and CI systems.

HLint suits Haskell developers who want warnings, configurable rules, editor or CI integration, and optional automated refactoring.

Oxc suits JavaScript and TypeScript developers, particularly teams working in large repositories or CI environments.

PHPMD suits PHP developers and teams who want rule-based checks for code quality, possible errors, and security concerns.

Ruff

Ruff suits Python developers who want linting, formatting, and automatic fixes in one tool.

ShellCheck

ShellCheck suits people writing Bash or sh scripts who want checks in an editor, terminal, web page, build, or test suite.

SQLFluff

It suits ELT teams that want consistent SQL style and syntax checks across many dialects.