PyRank

Fuzzer Python Packages

Python packages with the GitHub topic fuzzer. Sorted by relevance, with stars and monthly downloads.
maurosoria
dirsearch

Web path scanner

24K 14K 2K
trailofbits
protofuzz

Google Protocol Buffers message generator

6K 283 36
renatahodovan
grammarinator

ANTLR v4 grammar-based test generator

5K 428 67
cad-polito-it
byron

An evolutionary source-code fuzzer

2K 11 2
WebFuzzing
evomaster

The first open-source AI-driven tool for automatically generating system-level test cases (also known as fuzzing) for web/enterprise applications. Currently targeting whitebox and blackbox testing of Web APIs, like REST, GraphQL and RPC (e.g., gRPC and Thrift).

2K 735 112
NESCAU-UFLA
fuzzingtool

Software for fuzzing, used on web application pentestings.

1K 179 33
KissPeter
apifuzzer

Fuzz test your application using Swagger or OpenAPI definition without coding

981 466 70
manthanghasadiya
mcpsec

An AI-driven dynamic protocol fuzzer for the Model Context Protocol (MCP). Prove runtime exploitability by discovering state violations, transport crashes, and application-layer logic flaws (SSRF, LFI) before your AI agents do.

737 22 3
d0c-s4vage
gramfuzz

gramfuzz is a grammar-based fuzzer that lets one define complex grammars to generate text and binary data formats.

713 259 40
fuzzitdev
pythonfuzz

coverage-guided fuzz testing for python

607 230 32
Rog3rSm1th
frelatage

Frelatage is a coverage-based Python fuzzing library which can be used to fuzz python code.

461 238 17
MozillaSecurity
dharma

Generation-based, context-free grammar fuzzer. Refer to https://github.com/posidron/dharma for a maintained version.

415 492 89
prompt-security
prompt-security-fuzzer

LLM and System Prompt vulnerability scanner tool

343 679 94
KKimj
performancefuzzer

PerformanceFuzzer

307 2 0
cytopia
fuzza

Customizable TCP fuzzing tool to test for remote buffer overflows.

293 53 7
Myriad-Dreamin
fuzzer-cov

fuzzer coverage tool, generate readable coverage report in html format

269 1 0
c0dejump
hawkscan

Security Tool for Reconnaissance and Information Gathering on a website. (python 3.x)

269 462 86
MozillaSecurity
dharma-callback-fuzzer

Generation-based, context-free grammar fuzzer. Refer to https://github.com/posidron/dharma for a maintained version.

214 492 89
Rog3rSm1th
kharma

Grammar-based fuzzing corpus generator

202 41 6
treddis
dotdotfarm

Fast Path Traversal exploitation tool

193 21 1
SakiiR
fuzzyfuzzer

An other python web fuzzer

189 12 2
mseclab
pyjfuzz

Trivial JSON fuzzer written in python

189 380 68
PrVrSs
idl2js

Grammar-based Fuzzer that uses WebIDL as a grammar.

180 15 14
m4n3dw0lf
pythem

pentest framework

155 1K 321