docopt : Command-line interface description language
ADR Tools : A command-line tool for working with Architecture Decision Records (ADRs).
grunt : Grunt is a task-based command line build tool for JavaScript projects
Phinx : Phinx makes it ridiculously easy to manage the database migrations for your PHP app. In less than 5 minutes you can install Phinx and create your firs...
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 ...
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.