OwlCarousel - Owl Carousel. Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider.
rollerblade - A jQuery plugin for creating an interactive 360º image rotator.
strip - Strip - A Less Intrusive Responsive Lightbox
PhotoSwipe - JavaScript image gallery for mobile and desktop, modular, framework independent
Component
card - make your credit card form better in one line of code
list.js - The perfect library for adding search, sort, filters and flexibility to tables, lists and various HTML elements. Built to be invisible and work on existing HTML.
side-comments - An interface component to give your site/app Medium.com style commenting
typeahead.js - typeahead.js is a fast and fully-featured autocomplete library
awesomplete - Ultra lightweight, usable, beautiful autocomplete with zero dependencies.
defiant.js - DefiantJS provides the ability for you to build smart templates applicable on JSON structures, based upon proven & standardized technologies such as XSLT and XPath.
pourover - A library for simple, fast filtering and sorting of large collections in the browser
Clusterize.js - Tiny vanilla JS plugin to display large data sets easily
PapaParse - Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
localForage - Offline storage, improved. Wraps IndexedDB, WebSQL, or localStorage using a simple but powerful API.
Drag&Drop
dropzone - Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
sharedrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
dragula - :helicopter: Drag and drop so simple it hurts
Sortable - Sortable — is a minimalist JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery. Supports Meteor, AngularJS, React and any CSS library, e.g. Bootstrap.
interact.js - JavaScript drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)
Editor
create - Midgard Create, a generic web editing interface for any CMS
quill - A cross browser rich text editor with an API
blockly - The web-based visual programming editor.
At.js - Add Github like mentions autocomplete to your application.
SoundManager2 - A JavaScript Sound API supporting MP3, MPEG4 and HTML5 audio + RTMP, providing reliable cross-browser/platform audio control in as little as 11 KB. BSD licensed.
You-Dont-Know-JS - A book series on JavaScript. @YDKJS on twitter.
Front-end-Developer-Interview-Questions - A list of helpful front-end related questions you can use to interview potential candidates, test yourself or completely ignore.
frontend-dev-bookmarks - A huge list of frontend development resources I collected over time. Sorted from general knowledge at the top to concrete problems at the bottom.
frontend-stuff - A continuously expanded list of framework/libraries and tools I used/want to use when building things on the web. Mostly Javascript stuff.
awesome-javascript - A collection of awesome browser-side JavaScript libraries, resources and shiny things.