# AFL++

> AFL++ is a coverage-guided fuzzer forked from American Fuzzy Lop. The README names release 5.03c and GitHub version 5.04a. docker pull aflplusplus/aflplusplus provides an x86_64 and arm64 image, and docs/INSTALL.md is the recommended source build. Binary-only, network, and GUI targets have separate guides under docs/.

- Type: Tool
- Targets: Binary
- Category: Debugging and dynamic analysis
- Relationship: Foundation tool
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/AFLplusplus/AFLplusplus>
- Primary source: <https://github.com/AFLplusplus/AFLplusplus/blob/d0070729206a80a9af297b2341edd63f68fdac35/README.md>
- Catalog page: <https://awesomerea.org/resources/aflplusplus/>
- Record JSON: <https://awesomerea.org/resources/aflplusplus/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/aflplusplus/index.md)

## Requirements & limits

- Follow docs/INSTALL.md, or use the aflplusplus/aflplusplus container.
- License: GNU AGPL-3.0-or-later. Files compiled into a fuzzing harness stay Apache-2.0. Some files use the license in their SPDX header.

## Primary sources

1. <https://github.com/AFLplusplus/AFLplusplus/blob/d0070729206a80a9af297b2341edd63f68fdac35/README.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.