Alternatives and similar repositories for demos:

Users that are interested in demos are comparing it to the libraries listed below

• wix-incubator / rawss
  Generic CSS polyfill framework, with a CSS variables implementation
  ☆59Updated 2 years ago
• nico3333fr / van11y-accessible-tab-panel-aria
  ES2015 accessible tabs panel system, using ARIA
  ☆67Updated last year
• shiwaforce / postcss-high-contrast
  Create high contrast version of your project with ease.
  ☆113Updated 2 years ago
• filamentgroup / anims
  Just some CSS utilities for build and loop animations.
  ☆33Updated 2 years ago
• Rumyra / Font-Awesome-SVGs
  The iconic font and CSS toolkit
  ☆101Updated 6 years ago
• filamentgroup / enlarge
  zoom a photo
  ☆92Updated 2 years ago
• Heydon / css-error-property-style
  ☆22Updated 8 years ago
• bocoup / critical-css-boilerplate
  ☆57Updated 7 years ago
• clanceyp / cssmod
  CSS mod query generator
  ☆27Updated 8 years ago
• rposbo / lazyloadimages
  Image lazy load example to support javascript, no javascript, and even broken javascript
  ☆63Updated 8 years ago
• sgomes / css-aspect-ratio
  A tiny module to help preserve aspect ratio in pure CSS
  ☆109Updated 7 years ago
• timwright12 / SVG-Icon-Sprite-Polyfill
  This polyfill lets you use URL paths within a <use> element for SVG icons
  ☆31Updated 2 years ago
• zachleat / postcss-foft-classes
  A postcss plugin to automatically add classes for various font loading strategies.
  ☆90Updated 4 years ago
• cferdinandi / vanilla-javascript-cheat-sheet
  Moved
  ☆79Updated 6 years ago
• vigetlabs / ensure-animation
  Ensure animation runs until class loaded
  ☆76Updated 8 years ago
• LotusTM / Kotsu
  Clean, opinionated foundation for new projects — to boldly go where no man has gone before
  ☆49Updated 4 years ago
• ismamz / postcss-click
  PostCSS plugin that allows to use the :click pseudo class and implement it in JavaScript
  ☆21Updated 6 years ago
• KittyGiraudel / SassyTester
  [UNMAINTAINED] A minimalistic function tester in Sass.
  ☆42Updated 4 years ago
• projectwallace / extract-css-core
  Extract all CSS from a given url, both server side and client side rendered.
  ☆37Updated 2 years ago
• KittyGiraudel / ama
  Ask me anything!
  ☆43Updated 7 months ago
• maliMirkec / Classily.js
  Pure JavaScript plugin for toggling classes.
  ☆21Updated last year
• ArmorDarks / ekzo
  Functional Sass framework for rapid and painless development
  ☆33Updated 5 years ago
• bramstein / postcss-scale
  PostCSS plugin to scale values from one range to another.
  ☆80Updated 8 years ago
• yoksel / handy-colors
  List of named colors + palettes
  ☆36Updated 2 years ago
• larsenwork / CSS-Responsive-Grid-Overlay
  Easily adjustable grid overlay to make development discussions easier
  ☆77Updated 8 years ago
• vivid-web / flexboxgrid-sass
  A simple flexbox CSS grid system using SASS
  ☆36Updated 6 years ago
• philhawksworth / rollyourownlazyload
  Site to demo how to build your own lazy loading
  ☆65Updated 10 months ago
• codepo8 / gridnav
  More accessible keyboard navigation for grids by allowing for left/right/up/down
  ☆88Updated 5 years ago
• Heydon / xiao
  A tiny, accessible, browser-driven single-page routing system.
  ☆56Updated 6 years ago
• corysimmons / reeeset
  A slightly opinionated CSS reset. 3 e's.
  ☆36Updated 5 years ago