Siege : Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stan...
Fossor : A plugin-oriented tool for automating the investigation of broken hosts and services.
* { CSS:resetr } : To help you find the perfect CSS-reset styles, CSSresetr lets you try all the best CSS Resets on a variety of web pages – even your own.
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS