HTTPie : HTTPie—aitch-tee-tee-pie—is a command line HTTP client with an intuitive UI, JSON support, syntax highlighting, wget-like downloads, plugins, and more
Seashells : Seashells lets you pipe output from command-line programs to the web in real-time, even without installing any new software on your machine. You can u...
Code Maat : Code Maat is a command line tool used to mine and analyze data from version-control systems (VCS).
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
PurgeCSS is a tool to remove unused CSS. It can be part of your development workflow.