Mermaid : Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex d...
docopt : Command-line interface description language
DOM Monster Bookmarklet : DOM Monster is a cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you're on, and give you its bill of ...
tmpmail : tmpmail is a command line utility written in POSIX sh that allows you to create a temporary email address and receive emails to the temporary email ad...