Alternatives and similar repositories for validity

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

• ResponsiveImagesCG / picture-element
  This is the <picture> element specification.
  ☆190Updated 10 years ago
• mathiasbynens / jquery-details
  World’s first <details>/<summary> polyfill™
  ☆121Updated 5 years ago
• vovanbo / css2modernizr
  Analyze your CSS and output only used Modernizr's settings
  ☆73Updated 10 years ago
• chriseppstein / sass-css-importer
  Import CSS files as SCSS
  ☆198Updated 11 years ago
• BlessCSS / bless
  CSS Post-Processor
  ☆282Updated 9 years ago
• codepo8 / detecting-adblock
  A simple way to detect adblock
  ☆57Updated 9 years ago
• RealFaviconGenerator / grunt-real-favicon
  Generate a multiplatform favicon with RealFaviconGenerator
  ☆97Updated 2 years ago
• excellenteasy / grunt-image-resize
  Unmaintained. If you'd like to take this over please let us know. Resizing images made easy - thanks to imagemagick.
  ☆57Updated 9 years ago
• mozilla / simulated-devices
  A catalog of common web-enabled devices.
  ☆75Updated 3 years ago
• firebug / pixel-perfect
  ☆56Updated 9 years ago
• jhardy / sache
  ☆46Updated 10 years ago
• auchenberg / css-reloader
  CSS Reloader is a browser extension for Mozilla Firefox and Google Chrome, that allows you to reload all the CSS of any site without you …
  ☆99Updated last year
• wikimedia / grunt-stylelint
  Stylelint adapter for the Grunt task runner. Moved to Wikimedia GitLab.
  ☆28Updated last year
• mjmlio / mjml-syntax
  Sublime package for the MJML
  ☆46Updated 3 years ago
• zertosh / jquery-audit
  jQuery Audit
  ☆559Updated 11 years ago
• chriscoyier / Fluid-Width-Video
  That maintains aspect ratio and works with all major video hosts
  ☆230Updated 8 years ago
• dovy / elusive-icons
  ☆101Updated 10 years ago
• sindresorhus / grunt-php
  Start a PHP server
  ☆287Updated 5 years ago
• Modernizr / grunt-modernizr
  Build out a lean, mean Modernizr machine.
  ☆452Updated last week
• mrmartineau / HTML5
  HTML5 bundle for Sublime Text
  ☆191Updated 7 years ago
• filamentgroup / a-font-garde
  A variety of test cases and tools for safe font-icon usage.
  ☆291Updated 3 years ago
• KittyGiraudel / SassyStrings
  [UNMAINTAINED] A collection of Sass functions to manipulate strings.
  ☆60Updated 4 years ago
• emmetio / re-view
  A Google Chrome extension for displaying responsive breakpoints view
  ☆207Updated 9 years ago
• zurb / responsive-tables
  Tables that work responsively on small devices.
  ☆427Updated 8 years ago
• callumacrae / gulp-w3cjs
  w3cjs wrapper for gulp to validate your HTML
  ☆57Updated 6 years ago
• shakyShane / html-injector
  BrowserSync html injector
  ☆77Updated 8 years ago
• miensol / grunt-concat-in-order
  Gruntjs plugin for concatenating files with dependency tree topological sort preserved.
  ☆21Updated 4 years ago
• scottjehl / eCSSential
  An experiment in optimized loading of mobile-first responsive CSS.
  ☆412Updated 5 years ago
• KittyGiraudel / SassyCast
  [UNMAINTAINED] Type conversion functions for Sass.
  ☆72Updated 4 years ago
• alefeuvre / foundation-grid-displayer
  In-browser web design made easier with this bookmarklet which displays the grid of Twitter Bootstrap and Foundation.
  ☆197Updated 9 years ago