ShellCheck, a static analysis tool for shell scripts
- haskell
- shell
- static-analysis
- bash
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🌟 JavaScript Style Guide, with linter & automatic code fixer
- eslint
- javascript
- linter
- style-guide
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
React-specific linting rules for ESLint
Mago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.
- code-analyzer
- code-style
- coding-standards
- formatter
The strictest and most opinionated python linter ever!
- python
- python3
- flake8
- flake8-plugin
Fast Markdown linter and formatter written in Rust
A CSS bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad HTML.
Linter for dangerous Postgres migration patterns in Diesel and SQLx. Prevents downtime caused by unsafe schema changes.
- rust
- postgresql
- linter
- zero-downtime
A collection of static analyzers based on Roslyn that integrate with VS
Architecture linter for Swift — enforce Clean Architecture import rules via SwiftSyntax. A CI-ready guardrail for AI-assisted development.
- swift
- swiftsyntax
- clean-architecture
- linter
Make Java source layout deterministic: reorder class members safely, keep accessors together, format java-source, and enforce style in CI.
- java
- java-code-audit
- java-code-formatter
- java-code-quality
fast, auto-fixing Markdown linter and formatter. Checks style, readability, structure, and cross-file integrity.
PostgreSQL migration linter. Blocks unsafe migrations before merge: 112 rules, the real Postgres parser, lock analysis, auto-fix. CLI, GitHub Action, MCP.