AFLplusplus

    AFLplusplus/LibAFL

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

    backend
    afl
    afl-fuzz
    aflplusplus
    binary-only
    coverage-guided
    Rust
    NOASSERTION
    2.7K stars
    487 forks
    2.7K GitHub watchers
    Updated Nov 4, 2026
    View on GitHub

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    2 releases in the last 90 days, the latest 85 days ago, with 218 contributors on GitHub.

    Gained 32% more stars in the last 90 days than in the 90 days before.

    Use Cases & Benefits

    • Provides a modular Rust library to build customizable, scalable fuzzers for multiple platforms and targets.
    • Enables high-performance, multi-core and distributed fuzzing with flexible instrumentation and no_std support.
    • Use for developing custom fuzzers targeting embedded devices or hypervisors with no_std Rust environments.
    • Use for scaling fuzzing workloads across multiple machines using low-level message passing and TCP.
    • Use for binary-only fuzzing on Windows, Linux, Android, or macOS using Frida or QEMU instrumentation.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    Other

    GitHub could not identify this license; read the LICENSE file before depending on it.

    Community files

    • README: present
    • Contributing guide: present

    Watch-outs

    • License not identified by GitHub; read the LICENSE file before depending on it.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Advanced Fuzzing Library - Slot your own fuzzers together and extend their features using Rust.

    LibAFL is a collection of reusable pieces of fuzzers, written in Rust, it gives you many of the benefits of an off-the-shelf fuzzer, while being completely customizable. Some highlight features currently include:

    feel free to add an AST-based input for structured fuzzing, and more.

    Excerpt from the AFLplusplus/LibAFL README on GitHub (NOASSERTION license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Forks

    487+10

    Open issues

    137+23

    Compared with peers in Backend

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

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    Category median56.0K+2.3K29—

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