docopt : Command-line interface description language
how2 : stackoverflow from the terminal.
how2 finds the simplest way to do something in a unix shell. It's like man, but you can query it in natural language.
Harpoon : CLI tool for open source and threat intelligence. Harpoon is a tool to automate threat intelligence and open source intelligence tasks. It is written ...
Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
