oss-fuzz is an effort to apply coverage-guided software fuzzing on scale to test open source software. It grew out of Chrome in-process fuzzing effort ([Blog Post](https://security.googleblog.com/2016/08/guided-in-process-fuzzing-of-chrome.html), [Project Page](https://chromium.googlesource.com/chromium/src/testing/libfuzzer/)).
* [Chrome's Efficient Fuzzer Guide](https://chromium.googlesource.com/chromium/src/testing/libfuzzer/+/HEAD/efficient_fuzzer.md) while contains some chrome-specifics, is an excellent documentation on making your fuzzer better.