syzkaller is an unsupervised coverage-guided kernel fuzzer

A Dolev-Yao-model-guided fuzzer for TLS

Ethereum smart contract fuzzer

The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!

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).

wtf is a distributed, code-coverage guided, customizable, cross-platform snapshot-based fuzzer designed for attacking user and / or kernel-mode targets running on Microsoft Windows and Linux user-mode (experimental!).

The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!

Web path scanner

CATS is a REST API Fuzzer and negative testing tool for OpenAPI endpoints. CATS automatically generates, runs and reports tests with minimum configuration and no coding effort. Tests are self-healing and do not require maintenance.

Multi-purpose extensible self-adaptive optimizer and fuzzer

A coverage-guided fuzzer for pure Ruby code and Ruby C extensions

Quality assurance testing for the curl project

MicroPython ESP32 Pentesting Suite

SSL and TLS protocol test suite and fuzzer

Simple fast fuzzer web.

Scaling best-practice AFLPlusPlus fuzzing campaigns made easy

Documenting the Xilinx 7-series bit-stream format.

Fuzz testing framework for Solana programs written in Anchor

Hopper is a tool for generating fuzzing test cases for libraries automatically using interpretative fuzzing.

TextFilterFuzzer For Directory Fuzzing - filter for (e.g, Not Found, 404, Not Accepted)