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.
Phantomas : PhantomJS-based web performance metrics collector and monitoring tool
htty : htty is a console application for interacting with web servers. It’s a fun way to explore web APIs and to learn the ins and outs of HTTP.
stup : A CLI tool to easily save, access and organize daily notes, especially for daily standup meeting.
librosa : librosa is a python package for music and audio analysis. It provides the building blocks necessary to create music information retrieval systems.