Zest

Tool

First seen 7/20/2026

Last seen 7/20/2026

Evidence 7 chunks

NEIGHBORHOOD

4 nodes · 6 edges

graph · Zest · depth=1

4 connections

Mu2 ← compares with 100% 2e

Mu2 is evaluated against Zest as the state-of-the-art baseline greybox fuzzer.

Zest is a coverage-guided property testing tool built on JQF.

JQF uses → 100% 2e

Zest is built on top of the JQF framework.

Mu2 ← depends on 90% 1e

Mu2 reuses the input mutation logic and code from Zest for its PickInput and MutateInput heuristics.