📗🌐 🚢 Comprehensive and exhaustive JavaScript & Node.js testing best practices (October 2020)

Mutation testing for JavaScript and friends

Automated code reviews via mutation testing - semantic code coverage.

AST based PHP Mutation Testing Framework

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.

State of the art mutation testing system for the JVM

Practical mutation testing tool for C and C++

Mutation testing system

🔎 Automated mutation testing for Swift 🕳️

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

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

Gradle plugin for PIT Mutation Testing

Curried Type Testing library, and Test Matchers for Jest

C++ Mutation Test Environment

Descartes supports developers to improve their test suites by reporting weak spots in covered code

fork of mutant with inline disable comments and a few different mutations.

An experimental mutation testing tool for C# code 🐛🔍

refine properties for testing Haskell programs

Gradle plugin for PIT Mutation Testing in Android projects

Practical Program Repair via Bytecode Mutation

Mutation testing for JavaScript and Node.js

Regexp based tool for mutating generic source code across numerous languages

Mutation testing for crystal.

Suite of C/C++ tooling built on LLVM/Clang

Mutation testing for Scala

Mutation testing for Java in Eclipse IDE. Based on PIT (Pitest).