Automate your code review with style, quality, security, and test‑coverage checks when you need them most. Code quality is intended to keep complexity down and runtime up.

A tool to enforce Swift style and conventions.

• UpdatedOct 7, 2025
• Swift

A static analyzer for Java, C, C++, and Objective-C

• UpdatedOct 7, 2025
• OCaml

⚙️ A curated list of static analysis (SAST) tools and linters for all programming languages, config files, build tools, and more. The focus is on tools which improve code quality.

• UpdatedOct 7, 2025
• Rust

Modern C++ Programming Course (C++03/11/14/17/20/23/26)

• UpdatedSep 16, 2025
• HTML

API, Integration, E2E Testing Agent for Developers that actually work. Generate tests, mocks/stubs for your APIs!

• UpdatedOct 7, 2025
• Go

A curated list of high quality coding style conventions and standards.

• UpdatedOct 4, 2025
• JavaScript

Combination of multiple linters to run as a GitHub Action or standalone

• UpdatedOct 7, 2025
• Shell

Continuous Inspection

• UpdatedOct 6, 2025
• Java

🐶 Automated code review tool integrated with any code analysis tools regardless of programming language

• UpdatedOct 7, 2025
• Go

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.

• UpdatedOct 7, 2025
• Java

Performant type-checking for python.

• UpdatedOct 7, 2025
• OCaml

Static code analysis for Kotlin

• UpdatedOct 7, 2025
• Kotlin

💩State-of-the-art shitcode principles your project should follow to call it a proper shitcode

• UpdatedJul 7, 2024

ESLint plugin with rules that help validate proper imports.

• UpdatedJun 20, 2025
• JavaScript

It's not just a linter that annoys you!

• UpdatedOct 7, 2025
• Python

An extensible multilanguage static code analyzer.

• UpdatedOct 7, 2025
• Java

Copy/paste detector for programming source code.

• UpdatedSep 19, 2025
• TypeScript

Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites

• UpdatedSep 15, 2025
• Ruby

A PHP code-quality tool

• UpdatedAug 28, 2025
• PHP

A fast type checker and language server for Python

• UpdatedOct 7, 2025
• Rust

pre-commit ci

a continuous integration service for the pre-commit framework

Pull Request Size

Apply size labels to Pull Requests based on the total lines of code changed

Codacy

Codacy helps to build effortless code quality and security for developers

CleanThat

Automatic cleaning of code

DeepScan

Advanced static analysis for automatically finding runtime errors in JavaScript, TypeScript, React, and Vue code

GitInsights

Pull Request metrics for engineering teams

CommitCheck

CommitCheck ensures your commit messages are consistent and contain all required information

Semgrep

Code scanning at ludicrous speed. Find bugs and reachable dependency vulnerabilities. Enforce standards on every commit

DeepSource

The Code Health platform - Everything you need to build maintainable and secure software

GitDailies

PR & DORA metrics, amazing alerts, daily activity summaries

CodeFactor

Automated code review for GitHub

Qlty Cloud

Code quality and coverage done right

Imgbot

A GitHub app that optimizes your images

Datree

YAML configs and K8s manifests validation tool

TestQuality - Unified Test Management for GitHub

Test Plan Driven QA Test Management for GitHub