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@AFLplusplus

Advanced Fuzzing League ++

We want to make fuzzing better and better

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  1. AFLplusplus AFLplusplus Public

    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!

    C 6.3k 1.2k

  2. LibAFL LibAFL Public

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

    Rust 2.5k 437

  3. afl-cov afl-cov Public

    Forked from mrash/afl-cov

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

    Python 89 18

  4. qemuafl qemuafl Public

    Forked from qemu/qemu

    This fork of QEMU enables fuzzing userspace ELF binaries under AFL++.

    C 84 54

  5. unicornafl unicornafl Public

    AFL bindings for Unicorn-Engine

    Rust 89 37

  6. qemu-libafl-bridge qemu-libafl-bridge Public

    A patched QEMU that exposes an interface for LibAFL-based fuzzers

    C 91 45

Repositories

Showing 10 of 31 repositories
  • LibAFL Public

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

    AFLplusplus/LibAFL’s past year of commit activity
    Rust 2,465 437 121 (8 issues need help) 24 Updated Feb 3, 2026
  • trait-winnower Public

    Reducing the number of trait requirements, because we have plenty!

    AFLplusplus/trait-winnower’s past year of commit activity
    Rust 0 1 1 0 Updated Feb 3, 2026
  • fuzzbench Public Forked from google/fuzzbench

    FuzzBench - Fuzzer benchmarking as a service.

    AFLplusplus/fuzzbench’s past year of commit activity
    Python 2 Apache-2.0 312 0 0 Updated Feb 3, 2026
  • AFLplusplus Public

    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!

    AFLplusplus/AFLplusplus’s past year of commit activity
    C 6,271 Apache-2.0 1,244 28 (16 issues need help) 3 Updated Feb 3, 2026
  • qemuafl Public Forked from qemu/qemu

    This fork of QEMU enables fuzzing userspace ELF binaries under AFL++.

    AFLplusplus/qemuafl’s past year of commit activity
    C 84 6,598 8 (1 issue needs help) 0 Updated Feb 2, 2026
  • afl-cov Public Forked from mrash/afl-cov

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

    AFLplusplus/afl-cov’s past year of commit activity
    Python 89 GPL-2.0 97 0 0 Updated Jan 23, 2026
  • coresight-trace Public Forked from RICSecLab/coresight-trace

    Hardware-Assisted Process Tracer for Fuzzing on ARM64 Linux

    AFLplusplus/coresight-trace’s past year of commit activity
    C 1 Apache-2.0 13 0 0 Updated Jan 19, 2026
  • coresight-decoder Public Forked from RICSecLab/coresight-decoder

    CoreSight Decoder for Fuzzing

    AFLplusplus/coresight-decoder’s past year of commit activity
    C++ 2 Apache-2.0 5 0 0 Updated Jan 16, 2026
  • qemu-libafl-bridge Public

    A patched QEMU that exposes an interface for LibAFL-based fuzzers

    AFLplusplus/qemu-libafl-bridge’s past year of commit activity
    C 91 46 3 4 Updated Jan 6, 2026
  • Grammar-Mutator Public

    A grammar-based custom mutator for AFL++

    AFLplusplus/Grammar-Mutator’s past year of commit activity
    Python 267 Apache-2.0 23 6 (2 issues need help) 0 Updated Dec 22, 2025