Stars
`postcss-cssnext` has been deprecated in favor of `postcss-preset-env`.
Front-end performance heatmap bookmarklet.
Fuzzy abbreviations, support for preprocessors (Sass, Less, Stylus) and a lot of other features in easily configurable set of tools for writing CSS faster
Browser sniffing gone too far — A useragent parser library for PHP
Manually curated collection of resources for frontend web developers.
Keep your application settings in sync (OS X/Linux)
A JavaScript code analyzer for deep, cross-editor language support
Lightweight, robust, elegant syntax highlighting.
Adds support for background-size "cover" and "contain" to IE8
JavaScript, SCSS, Sass, Less, and Stylus helpers for rendering high-resolution image variants
DEPRECATED: Prior to recent developments with the picture element, Foresight.js gaves webpages the ability to tell if the user's device is capable of viewing high-resolution images before the image…
Ant build script intended for use with HTML5 Boilerplate. You may find something useful here, but this project is archived.
🔧 .files, including ~/.macos — sensible hacker defaults for macOS
Automatically adapts your existing HTML images for mobile devices. No mark-up changes needed.
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Automated linting of Cascading Stylesheets
Holmes is stand-alone diagnostic CSS stylesheet that can highlight potentially invalid or erroneous HTML(5) markup by adding one class
Deprecated - Chosen is a library for making long, unwieldy select boxes more friendly.
qrcode generation standalone (doesn't depend on external services)