tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
Hurl : Hurl is a command line tool that runs HTTP requests defined in a simple plain text format.
It can chain requests, capture values and evaluate queries ...
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
TagUI : TagUI is a general purpose tool for automating web interactions
Test and track your emails. Email previews, analytics and spam filter testing.