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AFLplusplus repositories

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!

Last commit Jun 3, 2026

 (6,576 stars) (1,294 forks) (0 indexed issues) (0 open good first issues)

Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...

Last commit May 19, 2026

 (2,584 stars) (476 forks) (0 indexed issues) (0 open good first issues)

the AFL++ website

Last commit Nov 18, 2025

 (7 stars) (6 forks) (0 indexed issues) (0 open good first issues)

Produce code coverage results with gcov from afl-fuzz test cases

Last commit Apr 15, 2026

 (92 stars) (17 forks) (0 indexed issues) (0 open good first issues)

afl-cov successor - simpler and using modern llvm tools

Last commit Jun 2, 2026

 (20 stars) (1 fork) (0 indexed issues) (0 open good first issues)

Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc, X86) adapted to afl++

Last commit Nov 27, 2021

 (45 stars) (8 forks) (0 indexed issues) (0 open good first issues)