OWASP / wstg

The Web Security Testing Guide is a comprehensive Open Source guide to testing the security of web applications and web services.

kernelstub / Pwnbox

Privacy focused NixOS pentesting environment with a customizable desktop and security tools.

PragmaticFlow / NBomber

Distributed load-testing framework for .NET. Create distributed load test scenarios entirely using plain C# or F#. It is designed to test any system regardless of the protocol or a semantic model (Pull/Push).

saucelabs / the-internet

An example application that captures prominent and ugly functionality found on the web. Perfect for writing automated acceptance tests against.