50个CSS、Javascript工具（框架，库）
CSS库&工具包
Fileicon, 纯CSS文件图标的集合。
Marx, CSS重置样式
Transformicons – 使用SVG和CSS制作动画图标,标志和按钮。
sanitize.css 又一个重置样式的CSS（比第一个更简洁）。
Loaders.css, performance-focused纯css加载动画。
SassyFlags SVG&CSS开发的国家标识。
Primer, 常用的html控件、布局模板样式.
Flickity, 滑块基于css3+JS，支持摸摸嗒。
Pushy, 一款响应式的CSS3动画效果的导航菜单
CSS Stats, a tool that will visualize useful stats about your CSS.
Flexbox Tools
flexbox in 5 minutes, an interactive tour of all the major features of the CSS property: flexbox.
Flexbugs, a community-curated list of flexbox issues and cross-browser workarounds
cssPlus, a robust, fast and cross browser layout scaffolding based on Flexbox.
Responsive Web Frameworks
flexible.gs, a responsive and flexible grid system CSS framework (CSS, Sass, LESS and Stylus).
Rin, a lean, gulp-based HTML and SASS boilerplate for better front-end coding.
Wee, a lightweight front-end framework for logically building complex, responsive web projects.
spaceBase, a Sass-based responsive CSS framework.
Decorator, a new HTML, CSS, and JavaScript front-end framework.
Rebar, a new Sass / Stylus grid framework.
Lost, a SCSS or Stylus fractional grid system built with calc().
RWDGRID, a responsive grid system based on the 960 grid system.
Manhattan, a clean, lightweight and customisable CSS grid system.
Material Design Frameworks
Material, a HTML5 UI framework based on Material Design.
LumX, the first responsive front-end framework based on AngularJS & Material Design specs.
MUI, a lightweight Material Design web framework.
Random CSS Stuff
icono, a set of pure CSS icons with only one element.
CSS Gradient Animator, a web-based tool for generating animated gradients.
localFont, a web app for implementing localStorage web font caching in seconds.
Web Font Load – The easiest way to install all of the Google Web Fonts on OSX.
ai2html, an open-source script for Adobe Illustrator that converts Illustrator documents into HTML and CSS.
JavaScript Libraries & Frameworks
Marx, the stylish CSS reset with no Javacript or Classes. Just raw CSS.
Sprint, a tiny, lightning fast jQuery-like library for modern browsers.
Svidget.js, a JavaScript framework for building fantastic SVG widgets.
Challenger.js, a drop-in JS library that adds interactive programming pop-up challenges to any page.
Vorlon.JS, an open source, extensible, platform-agnostic tool for remotely debugging and testing JS.
Layzr.js, a small, fast, modern, and dependency-free library for lazy loading.
Clusterize.js, a tiny vanilla JS plugin to display large data sets easily.
Elevator.js, a “back to top” button that behaves like a real elevator.
egg.js, a simple javascript library to add easter eggs to web pages.
epicGrid, a pure, lightweight, responsive Javascript solution for building grid systems.
ramjet.js, a library that morphs DOM elements from one state to another with smooth transitions.
ItemSlide.js, a simple JavaScript touch carousel with support for touch swiping & mousewheel scrolling.
Plumin.js – Create and manipulate fonts using Javascript.
Smiley.js, a script for rotating smiley faces on your site to the correct viewing.
vivus.js, a lightweight JavaScript class that allows you to animate SVGs.
Rimg – A pure JS responsive image solution for browsers that support mediaqueries.
Animsition, a simple and easy jQuery plugin for CSS animated page transitions.
Unicoder.js, a JS library that converts text to some of the more artistic unicode alphabets.
Space.js, an HTML-driven JavaScript library for narrative 3D-scrolling.
cta.js, a lightweight library for animating your “action-to-effect” paths.
Awesomplete, an ultra lightweight, highly customizable and simple autocomplete jQuery plugin.
Select or Die, a jQuery plugin to style
Textures.js — a set of SVG elements for data visualization.
datedropper, a jQuery plugin that offers an easy way to manage dates for input fields.
underline.js, a Javascript library that sets out draw and animate the most perfect and playful text underline.
lory.js, a touch enabled minimalistic slider written in vanilla JavaScript.
snabbt.js, a minimalistic Javascript animation library that will translate, rotate, scale, skew and resize elements.
Slideout.js, a touch slideout navigation menu for your mobile web apps.
JavaScript Garden, a collection of docs about the quirkier parts of JavaScript.
Web-Based Apps
Epic Favicon Generator, a tool for generating 20 favicon sizes.
gitgoodies, a collection of shortcuts for the Git commands you use everyday.
CIRCULUS.SVG, an SVG circular menu generator.
CSS Ruler, a handy web-based tool for exploring CSS lengths.
Stickshift – A clean & modern SQL data interface.
T3 JavaScript Framework, a minimalist JavaScript framework that provides core structure to code.
SVGOMG, a web-based app for optimizing and configuring SVGO.
HTML Arrows, a clean and colorful place for all HTML symbol codes.
.resizr, a simple app for testing your CSS media queries.
A super simple Pie Menu Generator.