Announcing OSS-Fuzz: Continuous Fuzzing for Open Source Software
On the topic of fuzz testing, Python has an excellent library for property-based testing called Hypothesis [0] [1]. I don't think it does guided testing like AFL or libFuzzer (which OSS-Fuzz uses), but it's very powerful nonetheless.[0] http://hypothesis.works/[1] https://github.com/HypothesisWorks/hypothesis-python