GuideGuide is a plugin that lets you quickly and easily create grids and manipulate guides, wherever you like to work. Whether you're into basic grids or a design pervert that gets weird with the golden ratio, GuideGuide supports your life choices.

Fast 2kB alternative to Moment.js with the same modern API Day.js is a minimalist JavaScript library that parses, validates, manipulates, and displays dates and times for modern browsers with a largely Moment.js-compatible API. If you use Moment.js, you already know how to use Day.js.