The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!

Windows NT x64 syscall fuzzer

fpicker is a Frida-based fuzzing suite supporting various modes (including AFL++ in-process fuzzing)

Janus: a state-of-the-art file system fuzzer on Linux

A Genetic File, Syscall and Network Fuzzer.

ReactOS x86-32 syscall fuzzer

Fuzzing with the generated argument

polish fuzzy lop - fuzzer for libraries/APIs/*

url-fuzzer

Extract and generate code based on name and type for mig func/arg/request&reply member etc, ideal helper for creating monitor, tracker, fuzzer etc for Mach Remote Procedure Calls.

Simulate afl-fuzz

Super IOCTL Basic Fuzzer

Fuzzing with the generated argument and environment variable

Kernel Fuzzer for Apple's XNU, mainly meant for the iOS operating system

An improved version of afl

Single version, Real World (Dead) Bug Fuzzer Benchmark Suite (Work-in-Progress)

Exercises to learn how to fuzz with American Fuzzy Lop

Mutation Based Grey Box Fuzzing with AFL Tutorial

Unix File Fuzzer

Web server directory and file fuzzer