Selectize is the hybrid of a textbox and <select> box. It's jQuery based, and it has autocomplete and native-feeling keyboard navigation; useful for tagging, contact lists, etc.

The most advanced, yet intuitive, grid system available for Sass or Stylus

A meaningful web typography starter kit.

Text-based user interface CSS library

☁️ The SCSS framework for the modern web.

AnderShell 3000 - Retro looking terminal in CSS

Bootstrap 4 dark theme that supports togging dark/light themes as well. There is no fluff, it changes the color of Bootstrap and that's it, no new thing to learn or unlearn, just Bootstrap, but Dark!

A web implementation of the Lexicon Experience Language

A Select2 v4 Theme for Bootstrap 4

Starter kit for Shopify theme developers.