Noteli is an Open Source CLI tool made especially for note-taking. Noteli is built using powers of TypeScript and security of Auth0 with MongoDB. Noteli would help developers to take notes quickly from the shell without wasting time through GUI :P
Edit Pad is an easy and clean Online text editor and note-taking tool. Take notes online and download them in a text format. Great for taking quick notes in between meetings.
Polypad is the all-in-one Scriptable Textpad for Developers. It allows you to generate, analyze or transform text using javascript—no more pasting text into random websites.