MutpyMutPy is a mutation testing tool for Python 3.x source code
Stryker JsMutation testing for JavaScript and friends
MutantAutomated code reviews via mutation testing - semantic code coverage.
Expect MoreCurried Type Testing library, and Test Matchers for Jest
Stryker4sMutation testing for Scala. Work in progress...
Mutestfork of mutant with inline disable comments and a few different mutations.
PitestState of the art mutation testing system for the JVM
HumbugHumbug 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.
FettleAn experimental mutation testing tool for C# code 🐛🔍
PraprPractical Program Repair via Bytecode Mutation
MullPractical mutation testing tool for C and C++
Stryker NetMutation testing for .NET core and .NET framework!
MutagenBreaking your Rust code for fun and profit
Muter🔎 Automated mutation testing for Swift 🕳️
mutant-swarmMutation testing framework and code coverage for Hive SQL
vertigoMutation Testing for Ethereum Smart Contracts
mutatestPython mutation testing: test your tests! Safely run mutation trials without source code modifications and see what will get past your test suite.
pitest-descartesDescartes supports developers to improve their test suites by reporting weak spots in covered code
mutodeMutation testing for JavaScript and Node.js
dextoolSuite of C/C++ tooling built on LLVM/Clang
universalmutatorRegexp based tool for mutating generic source code across numerous languages
FaultifyByte Code Dotnet Mutation Utility