A curated list of amazingly awesome JavaScript libraries, resources and shiny things.

• Awesome JavaScript
  • Package Managers
  • Loaders
  • Testing Frameworks
  • Templating Engines
  • Date
  • String
  • Storage
  • Functional Programming
  • Loading Status

Host the javascript libraries and provide tools for fetching and packaging them.

• Bower - A package manager for the web.
• component - Client package management for building better web applications.
• spm - Brand new static package manger.
• browserify - Browser-side require() the node.js way.
• jam - A package manager using a browser-focused and RequireJS compatible repository.
• yepnope.js - An Asynchronous Conditional Resource Loader.
• jspm - Frictionless browser package management.
• Ender - The no-library library.
• volo - Create front end projects from templates, add dependencies, and automate the resulting projects.

Module or loading system for JavaScript.

• RequireJS - A file and module loader for JavaScript.
• SeaJS - A Module Loader for the Web.
• HeadJS - The only script in your HEAD.
• curl - A small, fast, extensible module loader that handles AMD, CommonJS Modules/1.1, CSS, HTML/text, and legacy scripts.
• lazyload - Tiny, dependency-free async JavaScript and CSS loader.
• script.js - Asyncronous JavaScript loader and dependency manager.

Date Libraries.

• moment - Parse, validate, manipulate, and display dates in javascript.
• moment-timezone - Timezone support for moment.js.
• jquery-timeago - A jQuery plugin that makes it easy to support automatically updating fuzzy timestamps (e.g. "4 minutes ago").
• timezone-js - Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.

String Libraries.

• underscore.string - String manipulation extensions for Underscore.js javascript library.
• string.js - Extra JavaScript string methods.
• he - A robust HTML entity encoder/decoder written in JavaScript.
• multiline - Multiline strings in JavaScript.
• query-string - Parse and stringify URL query strings.
• jsurl - Lightweight URL manipulation with JavaScript.
• sprintf.js - A sprintf implementation.

Functional programming libraries to extend JavaScript’s capabilities.

• underscore - JavaScript's utility _ belt.
• lodash - A utility library delivering consistency, customization, performance, & extras.
• Sugar - A Javascript library for working with native objects.
• lazy.js - Like Underscore, but lazier.

Libraries for indicate load status.

• NProgress - Slim progress bars for Ajax'y applications.
• Spin.js - A spinning activity indicator.
• progress.js - Create and manage progress bar for every objects on the page.
• pace - Automatically add a progress bar to your site.
• topbar - Tiny & beautiful site-wide progress indicator.
• nanobar - Very lighweight progress bars. No jQuery.
• PageLoadingEffects - Modern ways of revealing new content using SVG animations.
• css-loaders - A collection of loading spinners animated with CSS.

Besides libraries, there're Collection on Codepen, and generators like Ajaxload, Preloaders and CSSLoad.