#linter

An extremely fast Python linter and code formatter, written in Rust.

Find and fix problems in your JavaScript code.

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

Fast linters runner for Go

⚓ A collection of high-performance JavaScript tools.

It's not just a linter that annoys you!

Optional static typing for Python

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

A modular SQL linter and auto-formatter with support for multiple dialects and templated code.

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

The strictest and most opinionated python linter ever!

CloudFormation Linter

Static code analysis for Kotlin

🔥 ~6x faster, stricter, configurable, extensible, and beautiful drop-in replacement for golint

Regal is a linter and language server for Rego, bringing your policy development experience to the next level!

More than 300 powerful ESLint rules

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

Bandit is a tool designed to find common security issues in Python code.

A Python utility / library to sort imports.

Everything developer experience for Shopify themes

A static code analysis tool for UI5

⚡A CLI tool for code structural search, lint and rewriting. Written in Rust

💎 Code quality CLI for universal linting, auto-formatting, security scanning, and maintainability

🐘 Linter for Postgres migrations & SQL

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

Keep your skills sharp. Intelligence for agent context.

GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.

Tool for static code analysis and formatting of Robot Framework language

CloudFormation Linter

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.