docopt : Command-line interface description language
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 ...
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 ...
A simple, modern and secure encryption tool with small explicit keys, no config options, and UNIX-style composability.