boofuzz

Windows · Linux · Self-hosted · API

Freedom report

Two barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

boofuzz is ranked #6 of 27 in fuzz testing software on Freedom251. It runs on API, Linux, Self-hosted, Windows. There is a free plan.

boofuzz plans and pricing

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Free and open source Free Python library for building fuzzer scripts · GPL-2.0 license github.com · 5 Oct 2026

Compared on fuzz testing software

Free plan: Yes
Input generation methods: hybrid
Target types: network protocols, serial, Ethernet/IP, UDP broadcast, TCP, UDP, SSL, raw sockets
Crash triage: Yes
Execution mode: local
Supported languages: Python

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The record

Purpose: Boofuzz is a network protocol fuzzing framework and a fork and successor to Sulley.
Installation: Boofuzz installs as a Python library for building fuzzer scripts using `pip install boofuzz`.
Python requirement: Boofuzz requires Python 3.9 or later.
Fuzzing workflow: Its core capabilities include data generation, failure detection, target reset after failure, and recording test data.
Communications: It supports arbitrary communications media, including serial, Ethernet and IP layer, and UDP broadcast fuzzing.
Results: It records test data and supports exporting test results as CSV.
Protocol suites: The documentation lists public boofuzz FTP and HTTP protocol libraries and says their implementations do not approach full protocol coverage.
Monitoring: The process monitor detects crashes and restarts applications on Windows or Linux, and must run on the target machine.
Optional dependency: The network monitor requires Pcapy and Impacket, which are not installed automatically with boofuzz.
License: The GitHub repository identifies the project license as GPL-2.0.
Support: The project directs users to Stack Overflow for usage questions and GitHub issues for bugs and suggestions.
Documentation: The project provides online documentation with quickstarts and API documentation.
Fuzzer workflow: It provides data generation, failure detection instrumentation, target reset after failure, and test data recording.
Protocol support: It supports arbitrary communication media and includes serial, Ethernet and IP-layer, and UDP broadcast fuzzing.
Price from: Free

Where it ranks on Freedom251

Best Fuzz Testing Software in 2026#6 of 27

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Sources

github.com/jtpereyda/boofuzz· checked 4 Oct 2026
github.com/jtpereyda/boofuzz/blob/master/INSTALL.r· checked 4 Oct 2026
boofuzz.readthedocs.io/en/stable/· checked 4 Oct 2026
boofuzz.readthedocs.io/en/latest/user/quickstart.html· checked 5 Oct 2026
boofuzz.readthedocs.io/en/latest/· checked 5 Oct 2026
boofuzz.readthedocs.io/en/latest/user/install.html· checked 5 Oct 2026