Discus aims to make df prettier, with features such as color, graphs, and smart formatting of numbers (automatically choosing the most suitable size from kilobytes, megabytes, gigabytes, or terabytes). If you don't want Discus deciding the best sizes, you can also choose your own increments, along with specifying the number of decimal places you'd like to see.

Mocha is a feature-rich JavaScript test framework running on Node.js and browser, making asynchronous testing simple and fun.

Superkb is a keyboard-based application launcher based on a hotkey (usually the Super key) that allows for on-screen keyboard hints to be displayed if the hotkey is held long enough without calling any bound action.