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Fuzz Testing Tools

Tools that use randomized and semi‐randomized input generation to uncover security vulnerabilities and software defects through dynamic testing.

The Linux Foundation

by The Linux Foundation

9 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
Foundry
4,151
903
$7.2M
OSS-Fuzz
2,955
876
$6.8M
QEMU-Nyx
2,405
420
$65M
Hypothesis
1,337
453
$3.5M
AFL++
1,260
247
$6.6M
syzkaller
915
198
$29M
LibAFL
628
130
$7.7M
ClusterFuzz
411
81
$7M
fast-check
341
140
$2.4M
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