#lint

Find and fix problems in your JavaScript code.

A mighty CSS linter that helps you avoid errors and enforce conventions.

ansible-lint checks playbooks for practices and behavior that could potentially be improved and can fix some of the most common ones for you

It's not just a linter that annoys you!

Static code analysis for Kotlin

CloudFormation Linter

📓 Lint commit messages

Code style checking for RSpec files.

A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/

More than 300 powerful ESLint rules

textlint is the pluggable linter for natural language text.

The full stack <head> package for any framework.

✂️ Find unused files, dependencies and exports in your JavaScript and TypeScript projects. Knip it before you ship it!

A Python utility / library to sort imports.

Design System based on react-aria and Tailwind CSS

The Nu Html Checker (vnu)

Codebase intelligence for TypeScript and JavaScript. Free static analysis of code and styles: unused code, duplication, circular deps, complexity hotspots, architecture boundaries, design-system drift. Optional paid runtime layer (Fallow Runtime): hot-path review and cold-path deletion evidence from real production traffic.

Pluggable linting tool to prevent committing credential.

ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library