* [nrxus/faux](https://github.com/nrxus/faux/) [![Latest Version](https://img.shields.io/crates/v/faux.svg)](https://crates.io/crates/faux) — A library to create mocks out of structs. ![build](https://github.com/nrxus/faux/workflows/test/badge.svg?branch=master)
* Mutation Testing
* [cargo-mutants](https://github.com/sourcefrog/cargo-mutants) [[cargo-mutants](https://crates.io/crates/cargo-mutants)] - Finds inadequately tested code by injecting mutations, no source changes required. [![build badge](https://github.com/sourcefrog/cargo-mutants/actions/workflows/tests.yml/badge.svg?branch=main&event=push)](https://github.com/sourcefrog/cargo-mutants/actions/workflows/tests.yml?query=branch%3Amain)
* [proptest](https://crates.io/crates/proptest) — property testing framework inspired by the [Hypothesis](https://hypothesis.works/) framework for Python [![build badge](https://api.travis-ci.org/altsysrq/proptest.svg?branch=master)](https://travis-ci.org/altsysrq/proptest)
* [quickcheck](https://crates.io/crates/quickcheck) — A Rust implementation of [QuickCheck](https://wiki.haskell.org/Introduction_to_QuickCheck1) [![build badge](https://api.travis-ci.org/BurntSushi/quickcheck.svg?branch=master)](https://travis-ci.org/BurntSushi/quickcheck)
* [rust-fuzz/afl.rs](https://github.com/rust-fuzz/afl.rs) — A Rust fuzzer, using [AFL](https://lcamtuf.coredump.cx/afl/) [![build badge](https://api.travis-ci.org/rust-fuzz/afl.rs.svg?branch=master)](https://travis-ci.org/rust-fuzz/afl.rs)