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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 1.3k

  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 454

  3. afl-cov afl-cov Public

    Forked from mrash/afl-cov

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

    Python 91 18

  4. qemuafl qemuafl Public

    Forked from qemu/qemu

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

    C 85 55

  5. unicornafl unicornafl Public

    AFL bindings for Unicorn-Engine

    Rust 89 38

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

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

    C 93 48

Repositories

Showing 10 of 31 repositories
  • 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 6,328 Apache-2.0 1,262 25 (15 issues need help) 2 Updated Feb 28, 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 18, 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 85 6,671 8 (1 issue needs help) 0 Updated Feb 13, 2026
  • 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 2,496 454 127 (8 issues need help) 38 Updated Feb 10, 2026
  • linux-qemu-image-builder Public

    Linux kernel VM builder to create customizable & ready-to-fuzz QEMU images

    AFLplusplus/linux-qemu-image-builder’s past year of commit activity
    Shell 9 MIT 1 0 0 Updated Feb 5, 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
  • 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 91 GPL-2.0 98 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 93 48 4 4 Updated Jan 6, 2026
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Sponsors

  • @dergoegge
  • @shouc