Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.
Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.
A fast and fully-featured autocomplete library
Fast, easy and reliable testing for anything that runs in a browser.
Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js
A set of 170+ Bootstrap based design blocks ready to be used to create clean modern websites.
HTTP mocking and expectations library
motion graphics library for the web
For slim progress bars like on YouTube, Medium, etc
Keep multiple browsers & devices in sync when building websites. http://browsersync.io
Full-sized drag & drop event calendar (jQuery plugin)
Animate on scroll library
Custom Elements-Based HTML5 UI Framework for Building Your Mobile Front End