PyPI97Exceptionalhealth index
Python★ 3,601↓ 3.4M/moSep 16, 2026
crates.io96Exceptionalhealth index

AFLplusplus/LibAFLAdvanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...
Rust★ 2,640↓ 45.3K/moSep 17, 2026
crates.io96Exceptionalhealth index

foundry-rs/foundryFoundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.
Rust★ 10.6K↓ 3/moAug 28, 2026
PyPI94Exceptionalhealth index
Python★ 8,915↓ 51.1M/moAug 28, 2026
npm94Exceptionalhealth index

dubzzz/fast-checkProperty based testing framework for JavaScript (like QuickCheck) written in TypeScript
TypeScript★ 5,144↓ 140M/moSep 17, 2026
crates.io93Exceptionalhealth index
Rust★ 208↓ 371.6K/moSep 15, 2026
PyPI90Excellenthealth index

pschanely/CrossHairAn analysis tool for Python that blurs the line between testing and type systems.
Python★ 1,323↓ 349.3K/moSep 9, 2026
crates.io86Excellenthealth index
Rust★ 13↓ 41/moSep 6, 2026
PyPI · crates.io84Excellenthealth index
Python · Rust★ 15K↓ 18.5K/moOct 19, 2026
Packagist · npm84Excellenthealth index

studio-design/gessoGesso — OpenAPI 3.0/3.1/3.2 contract testing for PHP. Framework-independent core with Laravel, Symfony, Pest, and PSR-7 adapters. PHPUnit coverage, request/response validation, fuzzing, and drift detection.
PHP★ 9↓ 2,422/moSep 6, 2026
RubyGems81Excellenthealth index

0dayInc/pwnPWN is an open security automation framework that aims to stand on the shoulders of security giants, promoting trust and innovation.
Ruby★ 78Sep 5, 2026
PyPI80Excellenthealth index
Python★ 12↓ 22.3K/moSep 8, 2026
Starlark · C++★ 93Sep 23, 2026

JaCraig/TestFountainA library used for test fuzzing. Uses Mirage and attaches to xUnit as a Theory data source to create random data based on the annotations placed on the class. By default it saves the information used in each test so you can go back and retest as needed.
C#★ 1Sep 9, 2026
crates.io67Goodhealth index
Rust★ 69↓ 3,682/moSep 25, 2026
Python★ 8↓ 2,684/moSep 14, 2026

UnSubble/searchitFast and smart content discovery tool with profiles, recursive scanning and technology-aware enumeration.
Go★ 1Oct 21, 2026
crates.io65Goodhealth index
Rust · Shell★ 502↓ 215.6K/moSep 17, 2026
crates.io63Moderatehealth index
C++★ 267↓ 5.1M/moSep 17, 2026
PyPI62Moderatehealth index
Python★ 107↓ 43.2K/moOct 18, 2026
crates.io62Moderatehealth index
C · C++ · Rust★ 256↓ 3.2M/moAug 27, 2026
crates.io62Moderatehealth index
Rust★ 4↓ 87.4K/moSep 9, 2026
crates.io59Moderatehealth index

santhreal/wafriftWAF evasion testing toolkit. Grammar + encoding mutation, dialect-specific bypasses, evolutionary search, per-WAF gene-bank persistence. Rust.
Rust★ 24Oct 4, 2026
crates.io57Moderatehealth index
Rust★ 37↓ 1M/moOct 21, 2026
Go★ 5Sep 8, 2026
PyPI53Moderatehealth index

cyberark/QuicDrawH3QuicDraw(H3) is A security research tool designed for fuzzing and racing HTTP/3 servers. QuicDraw implements the `Quic-Fin-Sync` on HTTP/3 (over QUIC) for race-condition testing.
Python★ 26↓ 45/moOct 4, 2026
npm53Moderatehealth index

iAMv1/omnisectesterNation-state grade, defense-in-depth security testing framework. Tests web apps, extensions, desktop, mobile, cloud, AI/LLM, hardware, and supply chain from a single CLI.
JavaScript★ 0↓ 2,133/moSep 22, 2026
crates.io45Weakhealth index

Keysweep/KeysweepA fast, modular security testing toolkit written in Rust for bruteforcing, fuzzing, and hash cracking.
Rust★ 2Sep 12, 2026
Go · PyPI45Weakhealth index

MoustafaAt1a/otcatThe netcat for industrial I/O — read, write, and watch Modbus TCP registers from the shell.
Go · Python★ 1Oct 21, 2026

CypherNova1337/paramvoidFast HTTP parameter discovery - finds the undocumented query and body parameters a server quietly accepts. Single static Go binary, bundled wordlist, no dependencies.
Go★ 0Oct 13, 2026