mutation-testing

📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (August 2025)

Mutation testing for JavaScript and friends

PHP Mutation Testing library

Automated code reviews via mutation testing - semantic code coverage.

Mutation testing for .NET core and .NET framework!

State of the art mutation testing system for the JVM

Humbug is a Mutation Testing framework for PHP to measure the real effectiveness of your test suites and assist in their improvement. It eats Code Coverage for breakfast.

Mutation testing system

🧟 Inject bugs and see if your tests catch them!

Practical mutation testing and fault injection for C and C++

Breaking your Rust code for fun and profit

Mutation testing for Python

🔎 Automated mutation testing for Swift 🕳️

Mutation testing resources: how to make better code by introducing bugs

MutPy is a mutation testing tool for Python 3.x source code

Open Source, Language Agnostic Mutation Testing

🧬 Go Mutation Testing

Gradle plugin for PIT Mutation Testing

A mutation testing tool for Go.

Mutation Testing for Ethereum Smart Contracts