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
WTF : WTF is a personal information dashboard for your terminal, developed for those who spend most of their day in the command line.
It allows you to monit...
ASCIIFlow Infinity : Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
PurgeCSS : PurgeCSS is a tool to remove unused CSS. It can be part of your development workflow.