148 Open Source Code Quality Software Projects

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

A curated list of static analysis tools for all programming languages, config files, build tools, and more.

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.

Continuous Inspection

Performant type-checking for python.

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

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

A PHP code-quality tool

An extensible multilanguage static code analyzer.

It's not just a linter that annoys you!

⚙️ The static code analysis tool you need for your HTML

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

Code Climate CLI

Copy/paste detector for programming source code.

A tool for refactoring code related to feature flag APIs

The strictest and most opinionated python linter ever!

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

📗 How to write cross-platform Node.js code

Automatically discover and add missing types in your TypeScript code

Deprecated; see https://github.com/unused-code/unused

🚀 A command line tool aims to improve front-end engineer workflow and standard, powered by TypeScript.

Docker image that provides static analysis tools for PHP

Project Guidelines for the Android Buffer App

Static code analyzer for TypeScript

PHP_Depend is an adaptation of the established Java development tool JDepend. This tool shows you the quality of your design in terms of extensibility, reusability and maintainability.

An Azure Function solution to crawl through all of your image files in GitHub and losslessly compress them. This will make the file size go down, but leave the dimensions and quality untouched. Once it's done, ImgBot will open a pull request for you to review and merge. [email protected]

SonarSource Static Analyzer for JavaScript and TypeScript

ಠ_ಠ Vim plugin to disapprove deeply indented code. ಠ_ಠ

Actionable code coverage - detects untested code blocks in recent changes

A GitHub :octocat: app to automatically review Python code style over Pull Requests

A CLI tool to check whether a specific composer package uses imported symbols that aren't part of its direct composer dependencies

Static code analysis to find violations in a dependency graph

A plugin for Flake8 finding likely bugs and design problems in your program. Contains warnings that don't belong in pyflakes and pycodestyle.

Code analyzer for C# and VB.NET projects https://redirect.sonarsource.com/plugins/vbnet.html

Show some ❤️ to Node.js process errors

SonarQube plugin for Kotlin

DEPRECATED: Use Git Lint (https://www.alchemists.io/projects/git-lint) instead.

Easy setup of static analysis tools for Android and Java projects.

Solhint is an open source project created by https://protofire.io. Its goal is to provide a linting utility for Solidity code.

Measure Swift code metrics and get reports in Xcode, Jenkins and other CI platforms.

Gradle plugin that generates ErrorProne, Findbugs, Checkstyle, PMD, CPD, Lint, Detekt & Ktlint Tasks for every subproject.

Pluggable TypeScript and JavaScript linter

:elephant: SonarPHP: PHP static analyzer for SonarQube & SonarLint

Refactor Python using AI. ⭐ this repo and Sourcery Starbot will send you a PR

Fibonacci Indentation for Vim.

TSLint rule for detecting invalid uses of React Hooks

Explain yourself! Interrogate a codebase for docstring coverage.

:relaxed: Linting dotenv files like a charm!

🚨 Enhanced TypeScript support for Parcel

A set of Gradle plugins that configure default code quality tools for developers.

Coveralls Github Action

A SkunkScore Calculator for Ruby Code -- Find the most complicated code without test coverage!

Static code analysis for CFML (a linter)

Flake8 plugin to find commented out or dead code

detekt plugin for IntelliJ

Gradle plugin for PIT Mutation Testing

Flake8 wrapper to make it nice, legacy-friendly, configurable.

Code pattern analysis for JS

Actionable code coverage.

code complexity metrics visualization and exploration tool for ruby and javascript

Coveralls for Ruby

PowerShell module gathering PowerShell code quality and maintainability metrics

R package for analyzing other R packages via graph representations of their dependencies

Check a file's syntax when saving a file (php, ruby, tex ...) with vim

Code Climate Engineering Data Platform

DEPRECATED Uploads Ruby test coverage data to Code Climate

🤖 Repeat tests. Repeat tests. Repeat tests.

Generate readme file from Go doc. Now available with Github actions!

PHP standards checker.

Code Climate engine for code duplication analysis

Docker image containing multiple code quality tools for PHP (phpqatools and more).

Scans TYPO3 extensions for usage of deprecated and or changed code

👻 Dead code detector for Puppet

Assert that the java code of a project satisfies certain checks.

find unused javascript files in your project

:whale: Keep an eye on your docker image size and prevent it from growing too big

A tool to verify that your files are in harmony with your .editorconfig

A concise guide to writing better code

check, analyze and inspect Clojure/Script code

Code Climate Engine for ESLint

DEPRECATED Code Climate test reporter client for JavaScript projects

The Eclipse Checkstyle plug-in integrates the Checkstyle Java code auditor into the Eclipse IDE. The plug-in provides real-time feedback to the user about violations of rules that check for coding style and possible error prone code constructs.

ESLint shareable config for the IVWEB JavaScript style guide.

Haskell code complexity and quality measurement

🚨 Flake8 plugin to forbid backslashes (\) for line breaks

This repository was created to gets together many good practices around code review.

ESLint rules for Protractor

Detection of design principle violations in Kotlin as a plugin to detekt.

A tool to verify that your files are in harmony with your .editorconfig

Code Climate Engine for Rubocop

A tool to verify that your files are in harmony with your .editorconfig

Demonstration of Code Quality Tools that are applicable with Kotlin

Generate docblocks for DataObjects, Page, PageControllers and (Data)Extensions

SonarQube CSS / SCSS / Less Analyzer

DEPRECATED Ansible Role - SonarQube

GitHub action for running prettier on your projects pull requests

A code quality tool for any language or platform (CURRENTLY OFFLINE—see https://github.com/forthright/ferret_temp)

A norms and conventions validator for Terraform

Set of the strictest linters for your next frontend app

performs SonarQube analyses and checks quality gates https://concourse-ci.org/ https://sonarqube.org/