Fira Code - A font derived from Fira Mono with added ligatures.
SF Mono - Use the SF Mono font in Atom by importing it from Terminal.app
Input Mono - Multiform monospace font.
Roboto Mono - Making the web more beautiful, fast, and open through great typography
Consolas - A list of fonts and supported products
Source Code Pro - Monospaced font family for user interface and coding environments - adobe-fonts/source-code-pro