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
PHP_CodeSniffer rules (sniffs) to enforce WordPress coding conventions
- php-codesniffer
- phpcs
- wordpress-standards
- ruleset
ESLint Config for JavaScript Standard Style
- development
- ecmascript
- es6
- eslint
The Nu Html Checker (vnu)
- linter
- web-standards
- whatwg
- w3c
Verible is a suite of SystemVerilog developer tools, including a parser, style-linter, formatter and language server
- systemverilog
- lexer
- yacc
- syntax-tree
Fast Markdown linter and formatter written in Rust
The CLI for working with JSON Schema. Covers formatting, linting, testing, bundling, and more for both local development and CI/CD pipelines
- json
- json-schema
- jsonschema
- openapi
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.